For example, parents could have one embryo implanted in the mother's womb and store its identical siblings indefinitely. 例如,父母可以将一个胚胎植入母亲的子宫,无限期地储存同卵双胞胎。
This olfactory sense develops in the womb. 这一嗅觉在子宫内形成。
...the development of the fetus in the womb. …胎儿在子宫里的发育。