名词
中文翻译：风扇
同义词：
['fan', 'ventilator', 'air compressor']
例句：
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1. The fan is designed to cool the room during summer.
这个风扇设计用来在夏天降温。
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2. The ventilator helps to distribute the air evenly throughout the room.
这个风箱有助于均匀地分配房间内的气流。
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3. The air compressor is used to inflate tires and pump gas.
空气压缩机用于充气轮胎和泵送气体。