And the aeronautics engineer who wants to build an airplane has to obey, take into consideration, learn it, study and understand the law of gravity.

航空航天工程师,想制造飞机，必须遵守，加以考虑，学习，研究理解万有引力定律。

哈佛公开课 - 幸福课课程节选

After I graduate, I'll try to get a job, you know, as a mechanical engineer.

我毕业后想先找工作，成为一名机械工程师。

就业很难 - SpeakingMax英语口语达人