A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲部件,它能使钢琴发出乐音。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是琴（GlassArmonica）发明者，这是一种通过敲转动瓶发声乐器。

The engine is knocking.

发动机发出敲声音。

Repeated blows splintered the door. To

不断敲把门都打裂了。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲着屋顶，风，吹拂着房檐；大海，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯亮光和音乐不断敲声使迪斯科舞厅成为年青人喜爱聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明操作流程博得人们眼球——敲键盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲的部件,它能使钢琴出乐音。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻璃琴（GlassArmonica）的明者，这是一种通过敲转的玻璃瓶声的乐。

The engine is knocking.

机出敲的声音。

Repeated blows splintered the door. To

不断的敲把门都打裂了。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲着屋顶，，着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲声使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——敲键盘，目睹连杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上手敲的部件,它能使钢琴发出乐音。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻璃琴（GlassArmonica）的发明者，这是一种通过敲转动的玻璃瓶发声的乐器。

The engine is knocking.

发动机发出敲的声音。

Repeated blows splintered the door. To

不断的敲把门都打裂了。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲声使迪斯科舞厅成为年青人喜爱的。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——敲键盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲的部件,它能使钢琴发出乐音。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻璃琴（GlassArmonica）的发明者，这是一种通过敲转动的玻璃瓶发声的乐器。

The engine is knocking.

发动机发出敲的声音。

Repeated blows splintered the door. To

不断的敲把门都打裂了。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲声使迪斯科舞厅成为年青喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程们的眼球——敲键盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲的部件,它能使钢琴发出乐音。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻璃琴（GlassArmonica）的发明者，这是一种通过敲的玻璃瓶发声的乐器。

The engine is knocking.

发机发出敲的声音。

Repeated blows splintered the door. To

不断的敲把门都打裂了。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲屋顶，风，吹拂房檐；大海与沙滩，轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲声使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——敲键盘，目睹连杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是琴上用手指敲的部件,它琴发出乐音。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻璃琴（GlassArmonica）的发明者，这是一种通过敲转动的玻璃瓶发声的乐器。

The engine is knocking.

发动机发出敲的声音。

Repeated blows splintered the door. To

不断的敲把门都打裂了。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲声迪斯科舞年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——敲键盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲的部件,它能钢琴发出。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

说他是玻璃琴（GlassArmonica）的发明者，这是一种通过敲转动的玻璃瓶发的器。

The engine is knocking.

发动机发出敲的。

Repeated blows splintered the door. To

不断的敲把门都打裂了。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和不断的敲斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——敲键盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲的部件,它能使钢琴发出乐。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻璃琴（GlassArmonica）的发明者，这是一种通过敲转动的玻璃瓶发的乐器。

The engine is knocking.

发动机发出敲的。

Repeated blows splintered the door. To

断的敲把门都。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和乐断的敲使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

字机也以它透明的操作流程博得人们的眼球——敲键盘，目睹连动杆在一张纸上敲出字母。

A key is the part of a pianoforte that you touch to make music.

琴键钢琴上用手指部件,它能使钢琴发出乐音。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据玻璃琴（GlassArmonica）发明者，这一种通过转动玻璃瓶发声乐器。

The engine is knocking.

发动机发出声音。

Repeated blows splintered the door. To

不断把门都打裂了。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯亮光和音乐不断声使迪斯科舞厅成为年青人喜爱聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明操作流程博得人们眼球——键盘，目睹连动杆在一张纸上打出字母。