Nadc
abbr. Naval Air Development Center <美>海军航空研制中心
🗣️ 情景例句
If we're all prepared to recycle paper, thousands of trees could be saved every day.
如果纸能被循环利用，那么每天千千万万的树木就可得以挽救。
A friend is a second self.
朋友是另一个我。
Are you sure you don't mind?
你敢肯定你不会介意吗？