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重点讲解：
1. take part in 参加；参与；
The children will also take part in a series of activities including a children's forum and visual arts exhibition.
孩子们也将参加一系列活动，其中包括了儿童讲坛和视觉艺术展。
2. result from 由…产生；由…引起；
Many hair problems result from what you eat.
很多头发问题都是由饮食引起的。
3. serve as 用作；可当…使用；充作；
Several painters were working on a huge piece of canvas which would serve as the scenery.
几位画家正在一块用作舞台布景的巨大帆布上作画。
4. be based on 以…为基础；
The study was based on data from 2,100 women.
这项研究基于从2,100名女性那里收集来的资料。
