Ostrom
abbr. Office of Overseas Scientific and Technical Research 海外科学技术研究处
🗣️ 情景例句
Dad often works late,
爸爸老是工作到很晚，
At noon I had lunch with a friend of mine.
在中午我与一个朋友一起吃了午餐。
At that time, however, she was not only the largest ship that had ever been built, but was regarded as unsinkable,
当时，这艘轮船不仅是造船史上建造的最大的一艘船，而且也被认为是不会沉没的。