常見例句An opening, especially to a cavity or passage of the body; a mouth or vent.通氣口一個開口，特別是身體上的洞口或通路; 嘴或者通氣口I have a toothache because there is a cavity in one of my teeth.我牙疼，因為我的一顆牙齒上有個洞。 返回 cavitis