Ostrom
abbr. Office of Overseas Scientific and Technical Research 海外科学技术研究处
🗣️ 情景例句
Where's the bag with the chicken salad sandwiches?
放鸡肉沙拉三明治的袋子在哪？
If you have time,will you call me tomorrow?
如果你有时间，你明天将打电话给我？
They help their parents to open their stockings, too.
他们还帮助父母打开他们的袜子。