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你看见过刚刚出生的小婴儿吗?你知道你的生命刚刚开始的时候是什么样的吗? 以前我们说过,爸爸身上有精细胞,精细胞像什么样子呢?在显微镜下面,把它们放大许多许多倍,可以
Have you ever seen a baby born yet? Did you know what it was like when your life was just beginning? We used to say that sperm were found on the dad and what were the sperm like? Under the microscope, zoom them in Many many times, yes