swimming bladder 中文意思是什麼

swimming bladder 解釋
魚鰾。

  • swimming : n. 1. 游泳。2. 眩暈。adv. -ly (進行)順利,順暢(go swimmingly 一帆風順)。
  • bladder : n. 1. 【解剖學】膀胱;泡;囊。2. (球等的)膽,救生圈,氣球;囊狀物。3. 趾高氣揚的人;吹牛的人。
  1. All sharks lack a swim bladder, so that their bodies are not buoyed up in the water and they have to keep swimming or they sink

    體內沒有魚鰾,因此身體不會自動浮升,必須不斷游泳,防止沉下水底。
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