Osts
(ost 的复数) abbr. 科学技术局（Office of Science and Technology）
🗣️ 情景例句
You look nice in your new shirt.
你穿这件新衬衫挺好看的。
I think we can draw up a tentative plan now.
我认为现在可以先草拟一具临时方案。
I had been asked to drive in heavy traffic and had done so successfully.
按照要求在车辆拥挤的路上驾驶，我圆满地完成了。