通风口 Traditional 通風口 tōng fēng kǒu 🔊 air vent + Keep this word Meanings tōng fēng kǒu 通風口 air ventopening for ventilation Its characters 通tōngto go throughHSK 4风fēngwindHSK 3口kǒu(measure word for people in a family)HSK 1