noun 下载 🔗分享 毫居里 The unit of radioactivity equal to one thousandth of a curie: symbol mCi. Examples : "The doctor prescribed a dose of 5 mCi of the radioactive substance. " 医生开了5毫居里的放射性物质剂量。 medicine physics energy unit 与AI对话词汇游戏阅读练习