既然那些已经不能生育的人在进化论的意义上说，已经死亡了。自然选择通常不会设计出结束生育后仍然存活的生物。
Since those who cannot breed are, evolutionarily speaking, dead already, natural selection does not usually design bodies that outlive their own fertility.
这项发现也隐隐地证明虱子的哺乳类和鸟类宿主在恐龙统治结束之前已经开始繁盛并进化出新物种。
The finding implies that their hosts, both mammals and birds, had also begun to flourish and speciate before the reign of the dinosaurs was over.
结束的时期将是一项伟大的测试，这决定你已经进化到什么样的程度。
The end times are a great test that determines how far you have evolved.
应用推荐