progesterone/prəˈdʒestərəun; pro`dʒɛstəˌron/ n[U]one of the sex hormones, that prepares and maintains the uterus for pregnancy and is used in the contraceptive pill because it prevents ovulation 孕酮; 黄体酮. Cf 参看 oestrogen.
牛津英汉双解词典