先在

Mary scraped the residue of food from the plates before putting them under water.

玛丽在盘子放入水之刮去上面的食物残渣。

Step off twenty feet and then place a marker in the ground.

步测20英尺, 再在地上做出标记。

Wool jersey should be shrunk before being cut and stitched.

羊毛平针织物在裁剪和缝纫应缩水。

Presoak rice noodles (1 bag) in cold water for 20 minutes.

将米粉泡在冷水中，20分钟后沥乾备用。

Sugar, oil and metals are refined before use.

糖, 油和金属在使用须提炼。

The evolutionarily later always subsumes and includes the evolutionarily earlier.

在进化史上，来者总是被归入后来者中。

I had collected material previous to writing.

我在写作以搜集了材料。

He debated heating up the pot first before his friends came.

他考虑在朋友们到来之火锅烧热。

Pour syrup on it and spread it abroad with a rolling pin.

糖浆倒在它上面,然后用擀面糖浆摊开来。

You should gather yourself together firstly under conditions of great danger.

在极其危险的情况下你应当住自己。

The research tools are the vision-eikon-compare test 1 and test 2.

挑选受试者在同一时段进行测卷，再进行后测卷，测试完毕后再进行比较分析。

There's a special enclosure where you can look at the horses before the race starts.

"这里有一处特备的围场,在比赛你可以看看马。"

It seems wise to reconnoiter before entering the town.

在进入那城以, 侦察一下是明智的。

We hosed down the car before we waxed it.

我们在给汽车打蜡必须冲冲车。

Filter out all the dirt before using the water.

在用水以将其中不清洁的东西过滤掉。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,进行醚化,再在三氯化铝的作用下进行傅-克反应,可简洁、高效的合成呫吨酮。

The mechanic explained that they would have to make good the damage to the body of the car before they resprayed it.

修理工解释说，在给车重新喷漆之，他们得车身毁坏的地方修理好。

The orbiting Discovery crew on the way Sunday to rewire the International Space Station first had to make sure the shuttle's heat shield(heatshield) wasn't damaged during lift-off.

星期日，负责发现号轨道的工作人员在跟国际空间站接轨，必须确定热障在起飞时没有损坏。

Maybe God wants us to meet a few wrong people before meetly the right one, so that when we finally meet the person,we will know how to be grateful.

在遇到梦中人之，上天也许会安排我们遇到别人，在我们终于遇见心仪人时，便应当心存感激。

A kua whakawahia ia e Haroko tohunga, e Natana poropiti hei kingi ki Kihona: na kua piki ake ratou i reira me te koa, na ngateri ana te pa.

祭 司 撒 督 和 知 拿 单 在 基 训 已 经 膏 他 作 王 。