| 释义 |
DEFINITIVE EXAMPLES 权威例句〔embryonic membrane〕Any of the membranous structures closely associated with or surrounding a developing vertebrate embryo, including the amnion, chorion, allantois, and yolk sac.胚膜：任何与发育中的胚胎相关或包围胚胎的膜状结构，包括衣胞、绒膜胚囊、尿膜和卵黄囊美国传统〔hydrocephalus〕Congenital hydrocephalus is present at birth and can result from events during the development of the foetus.先天性脑积水在出生时就已发生，可能是由于胚胎发育中的事件造成的。剑桥高阶Many pregnant women are given scans so that the developing fetus can be seen.给许多孕妇做透视以看见发育中的胎儿。剑桥国际 |