For years, the hippo has been the leading candidate for the closest land relative because of its similar DNA and whalelike features.
多年来河
是主要的陆地最近亲动物的选定代表，因为河有其相似的DNA
及有鲸类特征。
For years, the hippo has been the leading candidate for the closest land relative because of its similar DNA and whalelike features.
多年来河是主要的陆地最近亲动物的选定代表，因为河有其相似的DNA及有鲸类特征。
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