Nud
abbr. 非溃疡消化不良（non-ulcer dyspepsia）；邻居不可到达检测（Neighbour Unreachability Detection）；网络实用工具磁盘（Network Utility Disc）
🗣️ 情景例句
Four o'clock at the advanced exercise class. With me.
四点钟去高级健身课， 跟我一起。
Before you go on, I have a question.
在你接着干之前，我有一个问题。
We'll look into it right away for you.
我们会立刻调查清楚。