Most of the neurons you have in your head, you had when you were in your mother's uterus.

你头脑中的大部分神经元，早在你处于母亲子宫中时就已经拥有。

youdao

The problem only exists in your head, Jane.

这个问题不过是你的想象，简。

《牛津词典》

Think of them for a few minutes in your head and you seem OK.

在脑海中想几分钟，你看起来似乎好了。

youdao

If your answer is yes,you are like many millions of people worldwide who experience pain in the head.

VOA: special.2010.03.30

And I'm going to pause for a minute, before I run it, and ask each of you to compute in your head what you think the answer should be.

我将暂停一会儿，在我运行之前，我想问问你们你们,心算得出的答案应该是什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

According to Freud, there are three distinct processes going on in your head and these are in violent internal conflict.

根据弗洛伊德的理论，在你的头脑中存在着,三种截然不同的人格结构,它们之间存在着强烈的内部冲突。

耶鲁公开课 - 心理学导论课程节选

The idea is like having X-Ray vision--or a Web browser implanted in your head.

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It's the noise in your head that keeps you from doing what you know.

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Use an idea in a book to temporarily replace the idea in your head.

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