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- 肛门鸟、爬行动物、两栖动物以及鱼等动物的消化道的排泄口
The excretory opening of the digestive tract in animals such as birds, reptiles, amphibians, and fish.
- 这种生物可以归入爬行动物一类。
This creature can be subsumed in the class of reptiles.
- 蛇和鹗鱼都是爬行动物。
Snakes and crocodiles are reptiles.
- 爬行动物是冷血的。
Reptiles are cold-blooded.
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