| 释义 |
germ layer 【胚胎学】胚层[参较 ectoderm, endoderm, mesoderm] 以上来源于：《21世纪大英汉词典》 germ layern.① 胚層germ layern.【生】胚层See alsoectoderm mesoderm endoderm详细释义源自:《新世纪英汉大词典》Collins外研社 n.胚层；参见：ectoderm;mesoderm;endoderm【胚胎学】英英释义n.(embryology) any of the 3 layers of cell |