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首页英语词典placentaplacenta英英释意

placenta

英 [plə'sentə] 美[plə'sɛntə]

英英释义实用场景例句

n. [胚] 胎盘；[植] 胎座

英英释意

1. that part of the ovary of a flowering plant where the ovules form

2. the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus