Mmmm
abbr. multiunit network management and maintenance message 多单元网络管理与维护消息
🗣️ 情景例句
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
The 100-metre race.
100米赛跑