气孔 qìkǒng air bubble Definitions Defs Origin Strokes Stroke Words Sentences Sents 通气孔 tōngqìkǒng air vent an opening, hole, or slatted aperture (louvre) that allows for the passage of air or gas排气孔 páiqìkǒng vent an air vent or ventilation shaft used for exhausting air or gas
