Cdu
abbr. 中央显示器（Central Display Unit）；海防搜索潜艇雷达（Coast Defense radar for detecting U-boats）
🗣️ 情景例句
You can do it.
可以这样做。
Which one is the longest river in China?
中国哪条河流最长？
If you think it is necessary.
如果你认为有这必要的话。