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William老师笔记：
Fast radio bursts are really fast. [Just an opening, not very useful]
First Main Idea: There are a lot of theories about where they come from. However, we don’t know if they are true.
Second Main Idea: We can use this ‘new telescope’ to find them much faster.
William老师提示：
You do have to get used to speakers from different backgrounds and with different accents in real tests.
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