Happened
v. 发生（happen的过去式, 过去分词）
🗣️ 情景例句
Good afternoon. What's the trouble?
下午好。有什么不舒服吗？
We've got to report back to the head office.
我们还要回去向总部汇报情况呢。
Oh, hello. Could I speak to Ann, please?
噢，喂。请安接电话好吗？