noun 다운로드 🔗공유 에스트로겐 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. " 사춘기 동안, 소녀들은 몸 안의 에스트로겐 증가로 인해 많은 변화를 겪습니다. medicine physiology biology biochemistry anatomy sex organism AI와 채팅어휘 게임독해 연습