名词
中文翻译：风向
同义词：
['wind direction', 'air current']
例句：
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1. The wind is blowing from the southwest.
风从西南吹来。
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2. The ventilation system in this room is excellent.
这个房间的通风系统非常好。
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3. The ventilation system helps to keep the building cool during hot weather.
通风系统在炎热天气帮助保持建筑物凉爽。