肺其实是由数千个细小管状器官构成的。

The lungs are in fact constructed of thousands of tiny tubes.

《柯林斯英汉双解大词典》

这个故事其实是关于复仇的。

This story is actually about revenge.

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这其实是一种正负数的简单数字游戏。

It's really a simple numbers game with negative and positive numbers.

《柯林斯英汉双解大词典》

Notice the difference. The recipe, the sequence of instructions, is actually getting read in, and it's treated just like data.

注意其中的差别，方法，也就是指令序列，其实是需要读的，被当做数据来对待。

麻省理工公开课 - 计算机科学及编程导论课程节选

And just went out runs together, and it turned out we were from sort of the same region of the States.

我们一起去跑步，后来发现其实我们是来自同一个地区。

在马拉松认识的朋友 - SpeakingMax英语口语达人

And several years later these two graduate students at Leiden by the name of Goudsmit and Uhlenbeck proposed that the electron in fact spins.

几年之后,两个莱顿的学生,古德米斯特和乌伦贝克,提出电子其实是在自旋的。

麻省理工公开课 - 固态化学导论课程节选