Sometimes it's easier actually not touch it to the metal, -- I should have- TA: It's hard to see if it's moving or not.

有时候它更容易不接触金属，我本应该-,助教：很难看到它是否移动了。

麻省理工公开课 - 化学原理课程节选

I figured Chemical Engineering would be the best way to get into it because it's a really broad major.

我发现化学工程应该是接触新能源的最好方式，因为这个专业覆盖面也很广。

学习化学专业的原因 - SpeakingMax英语口语达人

And then after I leave and I say, "Oh, I should have made eye contact with that person.

然后等我走远时，我想，”我应该和他有眼神接触的。

耶鲁公开课 - 心理学导论课程节选

The important thing is for you to stay with them and get to know them and I urge you to attend the T.A. Sections.

你们应该多和助教接触,多了解他们,我非常希望你们能参加助教的讨论课

耶鲁公开课 - 金融市场课程节选