英语词汇“germ layer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	germ layer
释义	WordReference Random House Unabridged Dictionary of American English © 2024 germ′ lay′er, Developmental Biologyone of the three primary embryonic cell layers. Cf. ectoderm, endoderm, mesoderm. 1875–80
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