Ostrom
abbr. Office of Overseas Scientific and Technical Research 海外科学技术研究处
🗣️ 情景例句
and tell him you're coming?
告诉他你要去吗？
Every tree is known by its own fruit.
观其言行，知其为人。
Mr. And Mrs. Green have stockings, too.
格林先生和格林夫人也有长统袜。