鱼用鳃吸取氧气。
事实上,这些庞然大物确实是鲨鱼。它们通过鳃呼吸,就像鱼一样。
The behemoths are indeed sharks. They breathe through gills, like fish.
事实上,这些庞然大物确实是鲨鱼。它们通过鳃呼吸,就像鱼一样。
The behemoths are indeed sharks. They breathe through gills, like fish.
在水中它们像其他鱼一样用鳃呼吸。
与八目鳗类鱼区别开的七鳃鳗。
Any of several similar fishes, such as the lamprey and electric eel.
与八目鳗类鱼区别开的七鳃鳗。
Any of several similar fishes, such as the lamprey and electric eel.
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