genus Ursus
genus Ursus
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American black bears ; in some classifications not a separate genus from Ursus .
美洲黑熊;在一些分类中没有把它从熊属中分离出来。
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A bear who had for a long time gained his living by dancing . polar bears ; in some classifications not a separate genus from Ursus .
有只熊一直以跳舞为生。北极熊,白熊;在一些分类中没有把它从熊属中分离出来。
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Type genus of Ursidae : brown bears ; in some classifications genus Ursus includes all bears .
熊科的模式属;棕熊,罴;在一些分类中包括所有的尼姆拉剑齿虎属类。