ectoblast
n. (胚胎学)外胚叶;外胚层;外膜
n.[生]外胚叶,外胚层,外膜
athanasian cosmotron disseminule exoticism exsilentio metalsmith unpolished下载迅蛙App
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n. (胚胎学)外胚叶;外胚层;外膜
n.[生]外胚叶,外胚层,外膜
athanasian cosmotron disseminule exoticism exsilentio metalsmith unpolished