英语翻译北极熊的视力和听力与人类相当,但它们的嗅觉极为灵敏,是犬类的7倍.它们主要捕食海豹,特别是环斑海豹,此外也会捕食髯海豹、鞍纹海豹、冠海豹.除此之外,它们也捕捉海象、白鲸

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英语翻译
北极熊的视力和听力与人类相当,但它们的嗅觉极为灵敏,是犬类的7倍.它们主要捕食海豹,特别是环斑海豹,此外也会捕食髯海豹、鞍纹海豹、冠海豹.除此之外,它们也捕捉海象、白鲸、海鸟、鱼类、小型哺乳动物,有时也会打扫腐肉.目前生活在世界上的北极熊大约有2万多只
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Answer 1

Polar bears and human vision and hearing quite,but they are extremely sensitive sense of smell,dogs are the 7 times.Their main predator of seals,especially ringed seals,bearded seals also will prey,sa...