然而今天晚上，青年却坐在对面的一角。

To-night Youth sat in the opposite corner.

youdao

晚上，孩子们通常是做作业，而今天晚上，他们没做企业。

In the evening, the children usually do their homework. But this evening, they are not doing their homework.

youdao

在他们的名称中，美国人已经战争并死亡了两个世纪，而今天晚上，他们就像我们自由的护卫者一样冒着生命危险站在那，站在全世界。

In their name Americans have fought and died for two centuries, and tonight around the world they stand there as guardians of our liberty, risking their lives.

youdao

All your TA's have either already have their extra office hours, or there are some that will be going on tonight or tomorrow, so keep those in mind as your finishing up your studying for the exam.

你们的助教们有的已经做过额外的答疑，而有的会在今天晚上或者明天答疑，因此在你复习准备,考试的时候不要忘了这些。

麻省理工公开课 - 化学原理课程节选