退休以后，他有足够的时间来回想回想过去。

After retirement, he has enough time to chew the cud of his past.

youdao

回想回想我们以前的相处，我竟然惊奇的发现了一个可笑的问题，你竟然从没有说过一句：“你是我最好的朋友！”

Recall our before getting along with, I am actually amazed have discovered a laughable problem, your having actually never have said one: "you be my best friend"!

youdao

When I reflect on the first couple of years of Baidu's operation, I think there are three things that's very critical.

当我回想百度最初的那几年，有三件事是非常重要的。

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So I think that's interesting that now they are thinking what they know and they are learning something different.

孩子们现在回想,他们熟悉的事物,同时学习一些新的知识。

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Finally, remember myelination, where you sort of get this fatty sheath over your neuron to make it more effective?

最后,回想一下髓鞘的形成,你会在哪里长出脂肪鞘,去包裹神经元,使得神经元更有效率

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