动词
中文翻译：保持队伍
同义词：
['keep', 'maintain', 'hold up']
例句：
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1.The policeman held the queue while waiting for the bus.
警察在等公交车时维持着队伍。
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2. The manager held a meeting to discuss the new policies.
经理开会讨论新政策。
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3. The students held their hands up to answer questions.
学生们举手回答问题。