人们用它们来切死动物的肉和皮，也用木头来制作其他工具。
People used them for cutting meat and skin from dead animals, and also for making other tools out of wood.
其他的青蛙一直在说，它们肯定会死。
因为新增的细胞核不会死，它们便随时可以再造肌肉蛋白，使肌肉有了一种类似记忆的功能。
Since the extra nuclei don't die, they could be poised to make muscle proteins again, providing a type of muscle memory, he says.
应用推荐