那么这块骨头会是人类指骨吗？
狗狗后退的跗关节，实际上是人类足后跟的骨头。
The dog's hock, for example, is actually the heel bone in humans.
老虎的骨头很硬，可以做药，因此经常遭到人类的捕杀。
The tiger bones very hard, can make medicine, so often by human hunting.
老虎的骨头很硬，可以做药，因此经常遭到人类的捕杀。
The tiger bones very hard, can make medicine, so often by human hunting.
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