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swim bladder的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
Noun:
-
an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
swim bladder的用法和樣例：
例句
用作名詞 (n.)
- The bladder is thin-walled and closed by a one-way valve.
浮囊具有薄壁的結構并且通過(guò)單方向的閥門(mén)關(guān)閉。 - The swim bladder is like a balloon.
魚(yú)鰾就像一只氣球。
