A large quantity of beer was sold.

售出了大量的啤酒。

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是啤酒雌花中主要的含异戊二烯基的类黄酮。

The alcohol would be vaporized during the cooking process, so it won't taste too beery!

虽然是用酒煮，但因为酒精在烹调过程中被蒸，有浓列啤酒味的！

I've got millions of beer bottles in my cellar.

我的地窖里有无数的啤酒瓶。

The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.

使啤酒形成泡沫的物质有泡沫蛋白和多肽、异葎草酮、类黑素、金属离子、多糖、酒精、二氧化碳及酵母等。

Beer has a very distinctive smell.

啤酒有一种特殊的味道。

LIKE a thirsty partygoer swigging from two different bottles, big Western brewers are simultaneously pursuing two strategies for growth.

像一个口渴的人在聚两手各拿一瓶酒痛饮，西方大的啤酒制造商也同时制定两套展战略。

The ale will fine.

啤酒变清的。

He has appeared on "Late Show", "Good Morning America" and other shows, describing a roisterous campus lifestyle of beer and merrymaking.

他在“当今秀”和“早安美国”等等做秀节目中露过脸，大谈自己啤酒加快乐的热闹的校园生涯。

Who could have ever expected that a dragoon would drink sixpenny ale, smoke horrid bird's-eye tobacco, and let his wife wear a shabby bonnet?

谁能料到一个龙骑六便士一瓶的啤酒，抽蹩脚得可怕的鸟眼牌烟草，让他的妻子戴一顶破破烂烂的帽子啊？”

I made my first visit to Shanghai in 1992 when I was still working for Tiger Beer and coming to Shanghai for the project of Reeb.

我第一次来海是1992年，那时我还在为虎牌啤酒工作，到海来商谈力波啤酒的项目。

Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.

罗宾逊自小就是一个孤儿，他六岁时就开始在地方的啤酒花园进行表演，这个年幼的「舞蹈家」，或者是随歌起舞的小孩子，远离家园来取乐观众。

The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.

摘要简述了啤酒中双乙酰的形成机制及酵工艺与双乙酰的关系，提出了在啤酒实际生产中双乙酰含量的控制方法。

The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

啤酒中污染的常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较大的菌是细菌中的大部分厌氧菌,使啤酒产生浑浊、变味、变酸等。

A large quantity of beer was sold.

售出了大量的。

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是雌花中主要的含异戊二烯基的类黄酮。

The alcohol would be vaporized during the cooking process, so it won't taste too beery!

虽然是用煮，但因为精在烹调过程中会被蒸发掉，不会有浓列味的！

I've got millions of beer bottles in my cellar.

我的地窖里有无数的瓶。

The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.

使形成泡沫的物质有泡沫蛋白和多肽、异葎草酮、类黑素、金属离子、多糖、精、二氧化碳及酵母等。

Beer has a very distinctive smell.

有一种特殊的味道。

LIKE a thirsty partygoer swigging from two different bottles, big Western brewers are simultaneously pursuing two strategies for growth.

像一个口渴的人在聚会两手各拿一瓶痛饮，西方大的制造商也会同时制定两套发展战略。

The ale will fine.

会变清的。

He has appeared on "Late Show", "Good Morning America" and other shows, describing a roisterous campus lifestyle of beer and merrymaking.

他在“当今秀”和“早安美国”等等做秀节目中露过脸，大谈自己加快乐的热闹的校园生涯。

Who could have ever expected that a dragoon would drink sixpenny ale, smoke horrid bird's-eye tobacco, and let his wife wear a shabby bonnet?

谁能料到一个龙骑兵会喝六便士一瓶的，抽蹩脚得可怕的鸟眼烟草，会让他的妻子戴一顶破破烂烂的帽子啊？”

I made my first visit to Shanghai in 1992 when I was still working for Tiger Beer and coming to Shanghai for the project of Reeb.

我第一次来海是1992年，那时我还在为虎工作，到海来商谈力波的项目。

Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.

罗宾逊自小就是一个孤儿，他六岁时就开始在地方的花园进行表演，这个年幼的「舞蹈家」，或者是随歌起舞的小孩子，远离家园来取乐观众。

The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.

摘要简述了中双乙酰的形成机制及发酵工艺与双乙酰的关系，提出了在实际生产中双乙酰含量的控制方法。

The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

中污染的常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较大的菌是细菌中的大部分厌氧菌,会使产生浑浊、变味、变酸等。

A large quantity of beer was sold.

售出了大量的。

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是雌花中主要的含异戊二烯基的类黄酮。

The alcohol would be vaporized during the cooking process, so it won't taste too beery!

虽然是用煮，但因为精在烹调过程中会被蒸发掉，不会有浓列味的！

I've got millions of beer bottles in my cellar.

我的地窖里有无数的。

The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.

使形成泡沫的物质有泡沫蛋白和多肽、异葎草酮、类黑素、金属离子、多糖、精、二氧化碳及酵母等。

Beer has a very distinctive smell.

有一种特殊的味道。

LIKE a thirsty partygoer swigging from two different bottles, big Western brewers are simultaneously pursuing two strategies for growth.

像一个口渴的人在聚会两手各拿一痛饮，西方大的制造商也会同时制定两套发展战略。

The ale will fine.

会变清的。

He has appeared on "Late Show", "Good Morning America" and other shows, describing a roisterous campus lifestyle of beer and merrymaking.

他在“当今秀”和“早安美国”等等做秀节目中露过脸，大谈自己乐的热闹的校园生涯。

Who could have ever expected that a dragoon would drink sixpenny ale, smoke horrid bird's-eye tobacco, and let his wife wear a shabby bonnet?

谁能料到一个龙骑兵会喝六便士一的，抽蹩脚得可怕的鸟眼牌烟草，会让他的妻子戴一顶破破烂烂的帽子啊？”

I made my first visit to Shanghai in 1992 when I was still working for Tiger Beer and coming to Shanghai for the project of Reeb.

我第一次来海是1992年，那时我还在为虎牌工作，到海来商谈力波的项目。

Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.

罗宾逊自小就是一个孤儿，他六岁时就开始在地方的花园进行表演，这个年幼的「舞蹈家」，或者是随歌起舞的小孩子，远离家园来取乐观众。

The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.

摘要简述了中双乙酰的形成机制及发酵工艺与双乙酰的关系，提出了在实际生产中双乙酰含量的控制方法。

The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

中污染的常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较大的菌是细菌中的大部分厌氧菌,会使产生浑浊、变味、变酸等。

A large quantity of beer was sold.

售出了大量的。

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是雌花中主要的含异戊二烯基的类黄酮。

The alcohol would be vaporized during the cooking process, so it won't taste too beery!

虽然是用煮，但因为在烹调过程中会被蒸发掉，不会有浓列味的！

I've got millions of beer bottles in my cellar.

我的地窖里有无数的瓶。

The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.

使形成泡沫的物质有泡沫蛋白和多肽、异葎草酮、类黑素、金属离子、多、、二氧化碳及酵母等。

Beer has a very distinctive smell.

有一种特殊的味道。

LIKE a thirsty partygoer swigging from two different bottles, big Western brewers are simultaneously pursuing two strategies for growth.

像一个口渴的人在聚会两手各拿一瓶痛饮，西方大的制造商也会同时制定两套发展。

The ale will fine.

会变清的。

He has appeared on "Late Show", "Good Morning America" and other shows, describing a roisterous campus lifestyle of beer and merrymaking.

他在“当今秀”和“早安美国”等等做秀节目中露过脸，大谈自己加快乐的热闹的校园生涯。

Who could have ever expected that a dragoon would drink sixpenny ale, smoke horrid bird's-eye tobacco, and let his wife wear a shabby bonnet?

谁能料到一个龙骑兵会喝六便士一瓶的，抽蹩脚得可怕的鸟眼牌烟草，会让他的妻子戴一顶破破烂烂的帽子啊？”

I made my first visit to Shanghai in 1992 when I was still working for Tiger Beer and coming to Shanghai for the project of Reeb.

我第一次来海是1992年，那时我还在为虎牌工作，到海来商谈力波的项目。

Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.

罗宾逊自小就是一个孤儿，他六岁时就开始在地方的花园进行表演，这个年幼的「舞蹈家」，或者是随歌起舞的小孩子，远离家园来取乐观众。

The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.

摘要简述了中双乙酰的形成机制及发酵工艺与双乙酰的关系，提出了在实际生产中双乙酰含量的控制方法。

The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

中污染的常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较大的菌是细菌中的大部分厌氧菌,会使产生浑浊、变味、变酸等。

A large quantity of beer was sold.

售出了大量的啤酒。

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是啤酒雌花中主要的含异戊二烯基的类黄酮。

The alcohol would be vaporized during the cooking process, so it won't taste too beery!

虽然是用酒煮，但因为酒精在烹调过程中被蒸发掉，不有浓列啤酒味的！

I've got millions of beer bottles in my cellar.

我的地窖里有无数的啤酒瓶。

The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.

使啤酒形成泡沫的物质有泡沫蛋白和多肽、异葎草酮、类黑素、金、多糖、酒精、二氧化碳及酵母等。

Beer has a very distinctive smell.

啤酒有一种特殊的味道。

LIKE a thirsty partygoer swigging from two different bottles, big Western brewers are simultaneously pursuing two strategies for growth.

像一个口渴的人在聚两手各拿一瓶酒痛饮，西方大的啤酒制造商也同时制定两套发展战略。

The ale will fine.

啤酒的。

He has appeared on "Late Show", "Good Morning America" and other shows, describing a roisterous campus lifestyle of beer and merrymaking.

他在“当今秀”和“早安美国”等等做秀节目中露过脸，大谈自己啤酒加快乐的热闹的校园生涯。

Who could have ever expected that a dragoon would drink sixpenny ale, smoke horrid bird's-eye tobacco, and let his wife wear a shabby bonnet?

谁能料到一个龙骑兵喝六便士一瓶的啤酒，抽蹩脚得可怕的鸟眼牌烟草，让他的妻戴一顶破破烂烂的帽啊？”

I made my first visit to Shanghai in 1992 when I was still working for Tiger Beer and coming to Shanghai for the project of Reeb.

我第一次来海是1992年，那时我还在为虎牌啤酒工作，到海来商谈力波啤酒的项目。

Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.

罗宾逊自小就是一个孤儿，他六岁时就开始在地方的啤酒花园进行表演，这个年幼的「舞蹈家」，或者是随歌起舞的小孩，远家园来取乐观众。

The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.

摘要简述了啤酒中双乙酰的形成机制及发酵工艺与双乙酰的关系，提出了在啤酒实际生产中双乙酰含量的控制方法。

The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

啤酒中污染的常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较大的菌是细菌中的大部分厌氧菌,使啤酒产生浑浊、味、酸等。

A large quantity of beer was sold.

售出了量的啤酒。

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是啤酒雌花中主要的含异戊二烯基的类黄酮。

The alcohol would be vaporized during the cooking process, so it won't taste too beery!

虽然是用酒煮，但因为酒精在烹调过程中会被蒸发掉，不会有浓列啤酒味的！

I've got millions of beer bottles in my cellar.

我的地窖里有无数的啤酒瓶。

The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.

使啤酒沫的物质有沫蛋白和多肽、异葎草酮、类黑素、金属离子、多糖、酒精、二氧化碳及酵母等。

Beer has a very distinctive smell.

啤酒有一种特殊的味道。

LIKE a thirsty partygoer swigging from two different bottles, big Western brewers are simultaneously pursuing two strategies for growth.

像一个口渴的人在聚会两手各拿一瓶酒痛饮，西方的啤酒制造商也会同时制定两套发展战略。

The ale will fine.

啤酒会变清的。

He has appeared on "Late Show", "Good Morning America" and other shows, describing a roisterous campus lifestyle of beer and merrymaking.

他在“当今秀”和“早安美国”等等做秀节目中露过，自己啤酒加快乐的热闹的校园生涯。

Who could have ever expected that a dragoon would drink sixpenny ale, smoke horrid bird's-eye tobacco, and let his wife wear a shabby bonnet?

谁能料到一个龙骑兵会喝六便士一瓶的啤酒，抽蹩脚得可怕的鸟眼牌烟草，会让他的妻子戴一顶破破烂烂的帽子啊？”

I made my first visit to Shanghai in 1992 when I was still working for Tiger Beer and coming to Shanghai for the project of Reeb.

我第一次来海是1992年，那时我还在为虎牌啤酒工作，到海来商力波啤酒的项目。

Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.

罗宾逊自小就是一个孤儿，他六岁时就开始在地方的啤酒花园进行表演，这个年幼的「舞蹈家」，或者是随歌起舞的小孩子，远离家园来取乐观众。

The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.

摘要简述了啤酒中双乙酰的机制及发酵工艺与双乙酰的关系，提出了在啤酒实际生产中双乙酰含量的控制方法。

The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

啤酒中污染的常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较的菌是细菌中的部分厌氧菌,会使啤酒产生浑浊、变味、变酸等。

A large quantity of beer was sold.

售出了大量的啤酒。

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是啤酒雌花中主要的含异戊二烯基的类黄酮。

The alcohol would be vaporized during the cooking process, so it won't taste too beery!

虽然是用酒煮，但因为酒精在烹调过程中会被蒸发掉，不会有浓列啤酒味的！

I've got millions of beer bottles in my cellar.

我的地窖里有无数的啤酒瓶。

The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.

使啤酒形成泡沫的物质有泡沫蛋白和多肽、异葎草酮、类黑素、金属离子、多糖、酒精、二氧化碳及酵母等。

Beer has a very distinctive smell.

啤酒有一种特殊的味道。

LIKE a thirsty partygoer swigging from two different bottles, big Western brewers are simultaneously pursuing two strategies for growth.

像一个口渴的人在聚会两手各拿一瓶酒痛饮，西方大的啤酒制造商也会同时制定两套发展战略。

The ale will fine.

啤酒会变清的。

He has appeared on "Late Show", "Good Morning America" and other shows, describing a roisterous campus lifestyle of beer and merrymaking.

他在“当今秀”和“早安美国”等等做秀节目中露过脸，大谈自己啤酒加快乐的热闹的校园生涯。

Who could have ever expected that a dragoon would drink sixpenny ale, smoke horrid bird's-eye tobacco, and let his wife wear a shabby bonnet?

谁能料到一个龙骑兵会喝六便士一瓶的啤酒，抽蹩脚得可怕的鸟眼牌烟草，会让他的妻子戴一顶破破烂烂的帽子啊？”

I made my first visit to Shanghai in 1992 when I was still working for Tiger Beer and coming to Shanghai for the project of Reeb.

我第一次是1992年，那时我还在为虎牌啤酒工作，到商谈力波啤酒的项目。

Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.

罗宾逊自小就是一个孤儿，他六岁时就开始在地方的啤酒花园进行表演，这个年幼的「舞蹈家」，或者是随歌起舞的小孩子，远离家园取乐观众。

The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.

摘要简述了啤酒中双乙酰的形成机制及发酵工艺与双乙酰的关系，提出了在啤酒实际生产中双乙酰含量的控制方法。

The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

啤酒中污染的常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较大的菌是细菌中的大部分厌氧菌,会使啤酒产生浑浊、变味、变酸等。

A large quantity of beer was sold.

售出了大量。

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是雌花中主要含异戊二烯基类黄酮。

The alcohol would be vaporized during the cooking process, so it won't taste too beery!

虽然是用煮，但因为精在程中会被蒸发掉，不会有浓列味！

I've got millions of beer bottles in my cellar.

我地窖里有无数瓶。

The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.

使形成泡沫物质有泡沫蛋白和多肽、异葎草酮、类黑素、金属离子、多糖、精、二氧化碳及酵母等。

Beer has a very distinctive smell.

有一种特殊味道。

LIKE a thirsty partygoer swigging from two different bottles, big Western brewers are simultaneously pursuing two strategies for growth.

像一个口渴人在聚会两手各拿一瓶痛饮，西方大制造商也会同时制定两套发展战略。

The ale will fine.

会变清。

He has appeared on "Late Show", "Good Morning America" and other shows, describing a roisterous campus lifestyle of beer and merrymaking.

他在“当今秀”和“早安美国”等等做秀节目中露脸，大谈自己加快乐热闹校园生涯。

Who could have ever expected that a dragoon would drink sixpenny ale, smoke horrid bird's-eye tobacco, and let his wife wear a shabby bonnet?

谁能料到一个龙骑兵会喝六便士一瓶，抽蹩脚得可怕鸟眼牌烟草，会让他妻子戴一顶破破烂烂帽子啊？”

I made my first visit to Shanghai in 1992 when I was still working for Tiger Beer and coming to Shanghai for the project of Reeb.

我第一次来海是1992年，那时我还在为虎牌工作，到海来商谈力波项目。

Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.

罗宾逊自小就是一个孤儿，他六岁时就开始在地方花园进行表演，这个年幼「舞蹈家」，或者是随歌起舞小孩子，远离家园来取乐观众。

The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.

摘要简述了中双乙酰形成机制及发酵工艺与双乙酰关系，提出了在实际生产中双乙酰含量控制方法。

The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

中污染常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较大菌是细菌中大部分厌氧菌,会使产生浑浊、变味、变酸等。

A large quantity of beer was sold.

售出了大量的。

Xanthohumol is the main prenyl flavonoid of female inflorescences in the hops.

摘要黄腐酚是雌花中主要的含异戊二烯基的类黄酮。

The alcohol would be vaporized during the cooking process, so it won't taste too beery!

虽然是用煮，但因为精在烹调过程中被蒸发掉，不有浓列味的！

I've got millions of beer bottles in my cellar.

我的地窖里有无数的瓶。

The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.

使形成泡沫的物质有泡沫蛋白和多肽、异葎草酮、类黑素、金属离子、多糖、精、二氧化碳及酵母等。

Beer has a very distinctive smell.

有一种特殊的味道。

LIKE a thirsty partygoer swigging from two different bottles, big Western brewers are simultaneously pursuing two strategies for growth.

像一个口渴的人在聚两手各拿一瓶痛饮，西方大的制造同时制定两套发展战略。

The ale will fine.

变清的。

He has appeared on "Late Show", "Good Morning America" and other shows, describing a roisterous campus lifestyle of beer and merrymaking.

他在“当今秀”和“早安美国”等等做秀节目中露过脸，大谈自己加快乐的热闹的校园生涯。

Who could have ever expected that a dragoon would drink sixpenny ale, smoke horrid bird's-eye tobacco, and let his wife wear a shabby bonnet?

谁能料到一个龙骑兵喝六便士一瓶的，抽蹩脚得可怕的鸟眼牌烟草，让他的妻子戴一顶破破烂烂的帽子啊？”

I made my first visit to Shanghai in 1992 when I was still working for Tiger Beer and coming to Shanghai for the project of Reeb.

我第一次来海是1992年，那时我还在为虎牌工作，到海来谈力波的项目。

Orphaned as a baby, Robinson began performing in local beer gardens at age six.Within two years, this young "hoofer," or song-and-dance man, was entertaining audiences far from home.

罗宾逊自小就是一个孤儿，他六岁时就开始在地方的花园进行表演，这个年幼的「舞蹈家」，或者是随歌起舞的小孩子，远离家园来取乐观众。

The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.The ways of how to manage the content of biacetyl during beer brewing are discussed.

摘要简述了中双乙酰的形成机制及发酵工艺与双乙酰的关系，提出了在实际生产中双乙酰含量的控制方法。

The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

中污染的常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较大的菌是细菌中的大部分厌氧菌,使产生浑浊、变味、变酸等。