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TOEFL BNC: 7996 COCA: 9805

ventilation

noun
/ˌventɪˈleɪʃn/
/ˌventɪˈleɪʃn/
[uncountable]
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  1. the fact of allowing fresh air to enter and move around a room, building, etc.使(房间、建筑物等)通风;使通气
    • a ventilation shaft通风井
    • Make sure that there is adequate ventilation in the room before using the paint.在使用油漆前确保室内通风充足。

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