胚胎学:研究胚胎和胎儿的形成和发育的学科。
Study of the formation and development of an embryo and fetus.
胚胎学:研究胚胎和胎儿的形成和发育的学科。
To cause the expulsion of(an embryo or fetus)before it is viable.
胎儿皮脂在婴儿的皮肤上形成,以保护其免受水环境的伤害。
Vernix caseosa has formed over the baby’s skin to protect it from its watery environment.
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