ventilation相关的词根或词缀是: vent

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Now if you want ventilation , you need electricity .

现在如果你想通风，就用电动的。

Ants need ventilation and a possibility to moisture their dwelling .

蚂蚁需要通风和保持他们住所一定适度的可能。

These closed rooms have ventilation openings .

这些封闭的空间有很好的通风性质。

Apple also said it required wintek to fix the ventilation system .

苹果还说，已要求胜华修理好通风系统。

Ventilation below ground is poor and deadly accidents occur almost daily .

地下通风设备极差，矿难事故几乎每天都发生。