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 one of the three primary embryonic cell layers. Cf. ectoderm, endoderm, mesoderm. [1875-80]
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英语词典包含168451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。