swim bladder

音標(biāo)發(fā)音

Indeed, the world’s 37 species of seahorse are fish, breathing through gills and using a swim bladder to control their buoyancy.
事實(shí)上，世界現(xiàn)存37種的海馬是魚類，他們用腮呼吸，用魚鰾控制他們?cè)谒械某粮　?/li>
Many fish larvae hatch without fully formed pectoral fins and all hatch without a swim bladder, so similar problems could occur for them.
很多小魚孵化出來時(shí)，胸鰭還沒有完全成形，而且所有的魚孵化時(shí)都還沒有形成魚鰾。所以，它們可能會(huì)面臨相似的不善于游泳的問題。
New species include a camouflaged gecko, a fanged frog and a fish called the Henamo grunter, named because it makes grunting noises from its swim bladder.
新發(fā)現(xiàn)的物種包括一種善于偽裝的壁虎、一種赤蛙以及一種稱為赫那莫石鱸（Henamo grunter）的魚，之所以起這么一個(gè)英文名是因?yàn)檫@種魚的魚鰾（swim bladder）會(huì)發(fā)出一種呼嚕呼嚕的聲音。

an organ like a bag inside a fish that holds air so that it does not sink and stays in the correct position