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类哺乳动物

类哺乳动物

类哺乳动物

类哺乳动物

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any of several small gregarious cetacean mammals having a blunt snout and many teeth .

钝圆并长很多牙齿的几种小型群居的鲸类哺乳动物。

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The animal and its acquired toxicity is unique among placental mammals .

这种获得毒素的形式在胎盘类哺乳动物里是独一无二的。

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Human is in biological terms a mammal belonging to the primates and closely related to the African apes .

人类在生物学界被人为是一种灵长类哺乳动物，并与非洲猿类紧秘相关。

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Cattle are even-toed hoofed mammals . They are ruminants , which mean that they chew a cud .

牛是偶蹄类哺乳动物。它们是反刍动物，反刍动物的意思是：它们要反刍。

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