名词
中文翻译：首席乘务员
同义词：
['captain', 'first officer', "chief officer例句：1. The first mate was the captain's right-hand man.（首席乘务员是船长的得力助手。）"]
例句：
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1. The first mate was the captain's right-hand man.
首席乘务员是船长的得力助手。
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2.The first mate had to make tough decisions onboard.
首席乘务员在船上不得不做出艰难的决定。
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3. The first mate was responsible for the safety of all passengers.
首席乘务员负责所有乘客的安全。