胚胎在羊膜腔中发育。The embryo lives in the amniotic cavity.羊膜穿刺术是从羊膜囊抽取羊水的技术.Amniocentesis is the removal of fluid from the amniotic sac.中速滤纸虽也可贴附,但复水后不能起到支撑作用,并发生纤维脱落,附着于羊膜上,不利于手术.Filter paper can'tsupport the amnion after ...
I'd been a fool letting him snow me with his big ideas.我真蠢，居然被他的胡乱吹嘘给蒙蔽了。Lazy and incompetent police officers are letting the public down.懒惰兼无能的警官令公众失望。I'm going to stop letting drugs and drink rule my life.我决心...