汉英词典
Chinese-English Dictionary
MEANING OF 胚层
胚层 (胚層)
germ layer / layer of tissue in embryology
〈名〉指构成动物早期胚胎的细胞层。人和高等动物的胚层有三层,即外胚层、中胚层和内胚层。
pēi () céng
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