dropped by

• v. 非正式访问(顺便来访)

dropped by的用法和样例：

例句

1. He dropped by to see us yesterday.
   昨天他顺便来看过我们。
2. Steel production dropped by more than50%.
   钢铁生产量减少了百分之五十以上。
3. A friend of mine from Africa dropped by last week. I haven't seen him for ten years.
   上星期我的一位非洲朋友意外来访，我已有10年没见到他了。