progesteroneWiktionary 原文中文来自 ECDICTn.孕酮，孕激素构词拆分pro-前缀agreeing with; supporting; favouring · substituting for+gesto词根/词干拉丁语“to bear, to carry”+-one后缀a ketone · any similar compound containing a carbonyl functional group词源说明From pro- + Latin gestāre (“to bear, to carry”) + English -one.释义（英文）名词 Noun(biochemistry, steroids, uncountable) A steroid hormone, secreted by the ovaries, whose function is to prepare the uterus for the implantation of a fertilized ovum and to maintain pregnancy