created sense approved 气囊/氣囊 · qìnáng · air sac
气囊 / 氣囊
qìnáng
air sac
a thin-walled, air-filled cavity in the body of an animal or plant, especially in birds
鸟类的气囊可以帮助它们在飞行时减轻体重并辅助呼吸。
noun
created sense approved 气囊/氣囊 · qìnáng · gasbag
气囊 / 氣囊
qìnáng
gasbag
a flexible container filled with gas in an aerostat, or a safety airbag in a vehicle
安全气囊在车辆发生碰撞时会迅速充气弹出。
noun