蛇是一种爬行动物。
A snake is a reptile.
youdao
这是一种对抗鸟类、爬行动物、两栖动物等袭击的基本防卫手段。
It's basically a defense against birds, reptiles, amphibians, that sort of thing.
蛇是一种无足爬行动物。
A snake is a limbless reptile.
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