名词
中文翻译：第一副官
同义词：
['captain', 'chief officer例句：1. The first officer was the captain of the ship.（首席官员是船长。）']
例句：
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1. The first officer was the captain of the ship.
首席官员是船长。
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2.The first officer had to make important decisions on the spot.
首席官员必须当场做出重要的决定。
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3. The first officer was responsible for ensuring the safety of all passengers.
首席官员负责确保所有乘客的安全。