| 单词 | 脐带 |
| 释义 | 〔navel〕The mark on the surface of the abdomen of mammals where the umbilical cord was attached during gestation. Also called umbilicus 脐：哺乳动物腹表面的痕迹，在那儿怀孕期间脐带附着 也作 umbilicus〔bellyband〕An encircling band for holding in a baby's protruding navel.脐带：连于婴儿突出的肚脐上的环绕带〔umbilical〕Of, relating to, or resembling a navel or an umbilical cord.肚脐或脐带的：肚脐或脐带的，与肚脐或脐带有关的，象肚脐或脐带的〔allantois〕A membranous sac that develops from the posterior part of the alimentary canal in the embryos of mammals, birds, and reptiles. It is important in the formation of the umbilical cord and placenta in mammals. Also called allantoid 尿模：哺乳动物、鸟类和两栖动物的胚胎中在消化道后部形成的膜质液囊。对哺乳动物脐带和胎盘的形成有重要作用 也作 allantoid〔placenta〕A membranous vascular organ that develops in female mammals during pregnancy, lining the uterine wall and partially enveloping the fetus, to which it is attached by the umbilical cord. Following birth, the placenta is expelled.胎盘：雌性哺乳动物在怀孕期间生长的薄膜血管器官，靠着子宫壁且包住由脐带束住的胎儿。随着胎儿出生，胎盘去除 |
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