So if you've got putty or terminal up on the screen, -- and you're having some trouble that's really best seen with -- in that natural environment, we can actually see sort of tech-support style on the right-hand side what you're doing, and you can see everything we're doing.

所以如果你有Putty软件或者终端机在屏幕上，你遇到一些麻烦来显示最佳状态-,在那个自然环境中，我们可以看到很多,技术支持类型,在你们做的东西的右手边，你们可以看我我们在做的一切。

哈佛公开课 - 计算机科学课程节选

Reverse transcriptase is a naturally occurring protein, it has a biological function in HIV, but we can use it for a technical logical function here by going backwards on the biological path from messenger RNA to DNA.

反转录酶是在自然环境中存在的蛋白质,它在HIV中发挥着生物功能,但在这里它可以发挥一个技术功能,让它用信使RNA反转录出DNA

耶鲁公开课 - 生物医学工程探索课程节选