Udu
abbr. underwater detection unit 水下探测设备，水下探测器; user data unit 用户数据单元
🗣️ 情景例句
We have another appointment on the same day.
我们那天有另外一个约会。
What's bothering you?
什么在困扰你？
No, I'm just looking at the menu. Are you hungry?
还没有，我正在看菜单。你饿了吧？