noun 下载 🔗分享 内胚层，内层胚层 One of the three tissue layers in the embryo of a metazoan animal. Through development, it will produce the digestive system of the adult. Examples : "The endoderm, one of the early layers of cells in a developing embryo, will eventually form the intestines and other parts of the digestive system. " 内胚层，也就是胚胎早期形成的细胞层之一，最终会发育成为肠道以及消化系统的其他部分。 anatomy biology organism animal body organ physiology 与AI对话词汇游戏阅读练习
