名词
中文翻译：Unknown
同义词：
['butler', 'host', 'attendant', 'usher', 'porter']
例句：
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1. The hotel had a concierge who was very helpful.
这家酒店有一个非常乐于助人的门卫。
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2. The concierge at the airport helped me with my luggage.
机场的门卫帮我处理了我的行李。
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3. The concierge smiled and greeted everyone as they entered the building.
门卫在人们进入大楼时微笑着打招呼。