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 n. Any of three cellular layers, the ectoderm, endoderm, or mesoderm, into which most animal embryos differentiate and from which the organs and tissues of the body develop through further differentiation.
随便看	baritone barium barium enema barium sulfate barium swallow bark bark bark bark beetle barkeep barkeeper barkentine barker barker barking deer bark up the wrong tree barky bar-le-duc barley barleycorn barley sugar barlow barm barmaid barman

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。