他们的第一个目标是画一幅受试者基因组的完整地图，从而判断是什么使他们的死亡时钟走得那么慢，那么长。

Their first goal is to draw a complete map of their subjects' genomes, to figure out what makes their mortality clocks tick so slowly and for so long.

youdao

他们的第一个目标是画一幅受试者基因组的完整地图，从而判断是什么使他们的死亡时钟走得那么慢，那么长。

Their first goal is to draw a complete map of their subjects' genomes, to figure out what makes their mortality clocks tick so slowly and for so long.

youdao