名词中文翻译
中文翻译：河马
同义词：
['hippopotamus', 'caiman']
例句：
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1. This species of mammal is native to the Amazon River basin.
这种哺乳动物原产于亚马逊河流域。
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2. The hippopotamus has a distinctive hump on its back.
河马背上有一道独特的隆起。
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3. Caimans are known for their intelligence and playful nature.
考伊曼斯以其智慧和活泼的性格而闻名。