Oart
abbr. Office of Advanced Research Technology <美国>高级研究技术局
🗣️ 情景例句
Well, do we have a date?
怎样 ，我们算是约定了吗？
Have you had breakfast yet?
你吃过早餐了吗？
In much of China, spring is usually very short.
在中国的许多地方，春天通常很短。