内胚层 Traditional 內胚層 nèi pēi céng 🔊 endoderm (cell lineage in embryology) + Keep this word Meanings nèi pēi céng 內胚層 endoderm (cell lineage in embryology) Its characters 内nèiinsideHSK 4胚pēiembryo层céngto pile on top of one anotherHSK 3