名词
中文翻译：风扇反转
同义词：
['reverse fan', 'reverse flow']
例句：
-
1. The fan was turned off and the room got colder.
风扇被关掉了，房间变得更冷了。
-
2. The engineer reversed the fan to cool down the air.
工程师把风扇调转方向，以降温。
-
3. The fans were reversed to create a draft that would push the air around.
风扇被反向操作，以产生气流。