noun 下载 🔗分享 囊胚,胚囊。 The mammalian blastula Examples : "After fertilization, the early embryo develops into a blastocyst, ready to implant in the mother's uterus. " 受精后,早期胚胎会发育成囊胚,准备植入母亲的子宫内。 medicine biology anatomy physiology organism body science sex 与AI对话词汇游戏阅读练习