swim bladder
短语n. 浮囊, 鱼鳔
发音
其它
词形变化
swim bladders
复数
别名
swim-bladder
释义与例句
n.
-
1.
A gas-filled sac within the bodies of most fish that variously acts as a float, lung, sound-producing organ or an aid to hearing.
鳔
鱼鳔
医学