名词
中文翻译：Unknown
同义词：
['1. commander', '2. leader', '3. overseer', '4.supervisor', '5. controller']
例句：
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1. The general was a great commander during the war.
这位将军在战争中是一位伟大的指挥官。
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2. The leader decided to take action immediately after hearing the news.
在听到这个消息后，领导人决定立即采取行动。
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3. The supervisor checked all the equipment before the game began.
比赛开始前，监督员检查了所有的设备。