英语语法分析

And human and mice, tropical Xenopus and mammals, many of the same gene sequencing.

和人类以及小鼠相比，热带爪蟾的很多基因排列和哺乳动物一样。

An Xenopus, for example, is a puffy, South African frog that comes in a variety of colors.

一个爪蟾，举例来说，是一个肿胀，南非青蛙来，在各种颜色。

Methods The cell-free system was prepared by ultracentrifugation of Xenopus eggs and activated by cytochrome C.

方法超速离心制备非洲爪蟾卵无细胞体系，用细胞色素C激活为凋亡体系。