Movement or free course of the air.
| 单词 | θ75077 |
| 释义 | the world > matter > gas > air > moving air > [noun] > free movement of air (2) ventilation1605 Movement or free course of the air. perflation1658 The action of blowing through or on something; esp. ventilation provided by air blowing through a space; an instance of this. |
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