动词
中文翻译：主持
同义词：
['host', 'preside over', 'chair', 'hostess']
例句：
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1. The event was hosted by the mayor of the city.
这个活动是由该市市长主办的。
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2. She is a professional host and has hosted several successful events.
她是一名职业主持人，并且成功举办过几场成功的活动。
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3. The hostess greeted all guests with a warm smile.
女主人以温暖的笑容迎接所有客人。