?气环

... 环 ring; hoop 气环 air-cell ring; compression ring; gas ring; gaseous ring 通气 1.(使空气流通) ventilate; aerate2.(互通声气) be in touch with each other; keep each other informed 大家要经常通气。 we must keep in touch with each other. 这件事你得跟他通个气。 you should let him know of this matter.; 通气孔 air vent; airflow orifice; 通气设备 aeration equipment; breathing apparatus ...