外胚层外胚層

wài pēi céng

释义

ectoderm (cell lineage in embryology)

在应用里学习 → 按笔顺书写

汉字

外wàiout, outside, external; foreign; in addition夕卜胚pēiembryo; an unfinished thing⺼丕层cénglayer, floor, story, stratum尸云