他50岁，已经经历了两次婚姻。

He is fifty and has been through two marriages.

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与此同时，或许不可避免的是，人文学科——尽管在精英大学里仍然很受欢迎——已经经历了显著的下降。

At the same time, perhaps inevitably, the humanities—while still popular in elite colleges and universities—have experienced a significant decline.

youdao

有一些变暖是自然发生的。随着上一个冰河时代的结束和冰的融化，我们已经经历了长达20，000年的变暖过程。

Part of the warming is natural; we have experienced a 20,000-year-long warming as the last ice age ended and the ice melted away.

youdao

OK, so what we've gone through today is we've introduced covalent bonding, and we've figured out a way to quantify it.

好的，那么我们已经经历了,是我们已经介绍了共价键，我们已经想出了一种定量的方法来。

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You use this pattern whenever you want to express that you have experienced something in the past previously.

每当你想表达你之前已经经历过某事的时候，你就可以用这个句型。

I've already 课堂 - SpeakingMax英语口语达人

And the badness for him isn't just a matter of separation, because that we already had in number one.

这里的坏处不仅仅是分离，因为在故事一我们就已经经历过分离了。

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