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重点讲解：
1. public gathering 公开集会
These early opera houses served as public gathering places.
这些早期的歌剧院是聚集的场所。
2. health crisis 健康危机
A health crisis in one country can impact livelihoods and economies in many parts of the world.
一场国家的卫生危机可以影响到世界上许多地方的生计和经济。
3. take photos 拍照；摄影
For example, people use drones to take photos or make videos.
例如，人们用无人机拍照或制作视频。
4. over the last year 在过去一年中
I haven't been associated with the project over the last year.
我过去一年不曾跟这个项目有关联。
