Ostrom
abbr. Office of Overseas Scientific and Technical Research 海外科学技术研究处
🗣️ 情景例句
Crossing the Luohu border is a nightmare on holidays and weekends.
节日或者周未过后边毕业班检查站简直就是场恶梦。
His courage is a lesson to us.
他很有勇气，是我们大家的榜样。
Let's go for a walk，shall we?
咱们出去走走，好吗？