是一位航天工程师和医学博士。

Is an aerospace engineer an medical doctor.

youdao

就业前景：太空设计师，航天工程师。

Job Prospects: space architect, aerospace engineer.

youdao

第三样我想从事的职业是航天工程师，在太空中建太空站。

And, third occupation that I want to do is be an aeronautical engineer and build space stations in space.

youdao

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