noun 下载 🔗分享 雌激素,动情素 Any of a group of steroids that are secreted by the ovaries and function as female sex hormones. Examples : "During puberty, girls experience many changes due to the increase of oestrogen in their bodies. " 青春期时,由于体内雌激素水平的升高,女孩们会经历许多变化。 medicine physiology biology biochemistry anatomy sex organism 与AI对话词汇游戏阅读练习