mechanical engineer
US /məˌkæn.ɪ.kəl ˌen.dʒɪˈnɪr/
UK /məˌkæn.ɪ.kəl ˌen.dʒɪˈnɪr/

1.
机械工程师
a person who designs, builds, and maintains mechanical systems and machines
:
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My brother is a mechanical engineer and works on car engines.
我哥哥是机械工程师,从事汽车发动机方面的工作。
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She decided to pursue a career as a mechanical engineer.
她决定从事机械工程师的职业。