As you can see here on this graph, in blue, these are all other mammals, but bats can live up to nine times longer than expected despite having a really, really high metabolic rate, and the question is, how can they do that?
正如你看到这个图， 蓝色的这些是其它哺乳动物， 但是蝙蝠却能比预期寿命存活九倍多久。 尽管它们的代谢率非常非常高， 问题是它们是怎么做到的？