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

单词	germ layer
释义	germ layer noun : any of the three primary layers of cells in the embryos of triploblastic animals that are differentiated during and immediately following gastrulation and that are precursors of the various tissues and organs of the adult — see ectoderm, endoderm, mesoderm
随便看	groundplot ground plum ground-position indicator ground puppy ground quiver ground raspberry ground rat ground rattler ground rattlesnake ground rent ground robin ground roller ground rope ground rose groundrow ground rule grounds grounds ground school ground sea ground seal groundsel groundsel groundsel bush groundsel tree

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