Mmmm
abbr. multiunit network management and maintenance message 多单元网络管理与维护消息
🗣️ 情景例句
I speak the Shanghai dialect and the Mandarin.
我会讲上海话，普通话。
Knavery may serve,but honesty is best.
欺诈可能有用，诚实却是上策。
In five hours' time!
5个小时以后！