Nadc
abbr. Naval Air Development Center <美>海军航空研制中心
🗣️ 情景例句
Now I can help diaper him.
我现在可以帮他换尿布了。
Not at all.
没什么。
It may also be said that rational, industrious,useful.
也可以这样说，理智的、勤劳的、有用的。