名词
中文翻译：Unknown
同义词：
['conductor', 'driver', 'pilot', 'crew member']
例句：
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3.
在铁路上
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1. The train conductor was responsible for ensuring the safety of all passengers.
火车司机负责确保所有乘客的安全。
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2. The pilot had to make a difficult decision about whether to land or take off.
飞行员不得不做出一个艰难的决定，是降落还是起飞。
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3.The crew member was responsible for maintaining the smooth operation of the train.
乘务员负责确保火车的平稳运行。