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Air vent
01
空气通道
an opening or device designed to allow the flow of air into or out of a confined space, such as a room, building, or HVAC system, for the purpose of ventilation, air circulation, or temperature regulation
例子
In a preventive measure, they decided to clog the air vents during the construction work.
Sitting near the air vent, he felt a draft of cold air every time the air conditioner turned on.
