noun 下载 🔗分享 毫克 An SI unit of mass, equivalent to one thousandth of a gram. Symbol: mg Examples : "The doctor prescribed a vitamin tablet containing 500 milligrammes of Vitamin C. " 医生开了维生素片,每片含有500毫克维生素C。 mass unit medicine science 与AI对话词汇游戏阅读练习