两个人吃一个奶一个不吃了

Xiang Yongzhan's expression softened a little, and he said in a deep voice: Frankly speaking, there are still many things we are lacking now. The most important ones are two aspects. First, our experimental subjects are insufficient. So far, we have There is only one living modified person in his hands, but his body is extremely weak and cannot be used for experiments!...