2020年，我们经历了一段特殊时期。

We experienced a special period in 2020.

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今年，我们经历了一场不同寻常的中考。

We have an unusual Senior High School Entrance Examination this year.

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在等待测试结果的时候，我们经历了一些焦虑的时刻。

We experienced a few anxious moments as we waited to hear the results of the test.

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And specifically -- our industry's constantly transitioning from one technology to another, and we sort of screwed up one of the transitions.

具体来说,就是这个行业的技术,不断地经历着转型，在其中的一个转型中我们搞砸了。

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but it also takes away from the college experience that a lot of us like to, you know,

但它也减少了我们许多人都喜欢的校园经历，

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So, if something cycles through five wavelengths in a single second, we would just say that the frequency of that wave is five per second.

如果一个东西在一秒,内经历了五个波长，我们就说这个波的,频率是每秒5次。

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