Mmmm
abbr. multiunit network management and maintenance message 多单元网络管理与维护消息
🗣️ 情景例句
Thank you.
谢谢 。
I've got to be going now, Good-bye.
我得走了，再见。
Sorry, but I'm not at liberty to reveal that information.
对不起，我示能随意泄露情报。