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 with 500 milligrams of Vitamin C. " 医生开了一种维生素,含有500毫克的维生素C。 mass unit science chemistry amount 与AI对话词汇游戏阅读练习