noun 下载 🔗分享 毫安 One thousandth (10-3) of an ampere. Examples : "The phone charger provides 500 milliamperes of current to quickly charge the battery. " 这个手机充电器提供500毫安的电流,可以快速给电池充电。 physics electronics unit amount 与AI对话词汇游戏阅读练习