英语词汇“germ-layer theory”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 theory
释义	germ-layer theory germ-layer theory [′jərm ‚lā·ər ‚thē·ə·rē] (embryology) The theory that three primary germ layers, ectoderm, mesoderm, and endoderm, are established in the early embryo and all organs and structures are derived from a specific germ layer.
随便看	cdss cdssa cdssab cdssc cdssh cdssi cdsso cdsss cdsst cdst cdstic cdstl cdsu cdsumo cdswca cdsws cd system c/dt cdt cdt1 cdt2 cdt3 cdt6 cdta cdtab

英语词典包含2567994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。