剑齿虎，是已经灭绝的剑形齿类动物的一种，这也许是史前哺乳动物中最出名的一种了，也是最有名的剑齿类猫科动物。
Smilodon, is an extinct genus of machairodont felid. It is perhaps one of the most famous prehistoric mammals, and the best known saber-toothed cat.
剑齿虎，是已经灭绝的剑形齿类动物的一种，这也许是史前哺乳动物中最出名的一种了，也是最有名的剑齿类猫科动物。
Smilodon, is an extinct genus of machairodont felid. It is perhaps one of the most famous prehistoric mammals, and the best known saber-toothed cat.
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