介绍:
Day40
1从中国到西方国家的茶叶贸易出现在19世纪。
The tea trade from China to western countries took place in the 19th century.
2在过去的10年里我的家乡发生了巨大的变化。
Great changes have taken place in my hometown in the past ten years.
3当交通事故发生时，我正路过。
I was passing by when the traffic accident happened.
4她碰巧发现了这个问题。
She discovered the problem by accident.
【要点笔记】
①take place‘发生，举行，举办’常指事件的发生一定有某种原因或事先经过安排。
②happen‘发生，碰巧’一般用于偶然或突发性事件
③by accident=by chance意外地，偶然
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