noun 下载 🔗分享 受精卵，胚胎。 The fetus or embryo, including all the surrounding tissues protecting and nourishing it during pregnancy. Examples : "After the first trimester, the doctor explained that they would start referring to the developing baby as a fetus rather than a conceptus, though both terms describe the growing organism and its supporting tissues. " 度过最初三个月后，医生解释说他们会开始用“胎儿”来称呼正在发育的宝宝，而不是用“受精卵”，尽管这两个词都描述了正在生长的有机体及其支持组织。 medicine biology anatomy physiology organism human body family sex 与AI对话词汇游戏阅读练习
