另外这个胎儿的发育阶段暗示了他处在3分之2成熟阶段.
The fetus’s level of development indicates that it was at most two-thirds mature.
该报告的作者推测,男孩在胎儿发育阶段可能对此类化学袭击反应更为敏感,这就可以解释为什么男孩比女孩更有可能出现行为问题。
The foetal development of boys may also be more sensitive to this kind of chemical assault, the authors speculate, which could explain why boys are more likely to have behavioural problems than girls.
无情淘汰不合适的后代也可能发生于胎儿开始发育阶段。
The ruthless winnowing of inappropriate offspring can, it seems, also take place well after a fetus has started developing.
This inner cell mass develops into the embryo, which this here shown at a later stage is beginning to be clear that it's becoming an organism that looks like us.
内细胞群发育成为胎儿,这张图这是一个相对晚期的阶段,能越来越清晰地观察到,这团东西开始有个人形了
应用推荐