名词
中文翻译：自动风扇
同义词：
['self-operated fan', 'electric fan', 'air conditioner']
例句：
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1. The autofan is very convenient for us to cool down in the hot summer.
自动风扇对我们来说在炎热的夏天非常便利。
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2.The new air conditioner has a high efficiency and an auto fan, which makes it easy to use.
这款新空调效率高，还有自动风扇，使用起来非常方便。
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3. We decided to buy an auto fan for our bedroom to keep the room cool during the summer.
我们决定买一个自动风扇放在卧室里，以便夏天保持房间凉爽。