They say it feels as if someone is sitting on them.

VOA: special.2009.07.28

And it is moving around and we are sitting on that electron watching it go about its daily affairs.

它正在运动,我们正置身与电子上面,观察它时刻发生的事件。

麻省理工公开课 - 固态化学导论课程节选

You know, I mean right now it's me and whoever it was and me and my roommate Dustin and just come sitting there work serially on a new project and then finishing it and then planning how on doing the next project.

你要知道，那时候是我,还有我的室友达斯汀以及其他人,大家一起，一步一步地将整个项目完成,然后一起探讨下一个项目。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

It's of an old Polish oxcart sitting on some godforsaken road in rural Russia somewhere.

画里有个老旧的波兰牛车,在俄罗斯某处,置于某些偏僻的路上

耶鲁公开课 - 聆听音乐课程节选

Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.

这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。

哈佛公开课 - 计算机科学课程节选

If I had a beaker sitting on the table here and it contained a million blue double stranded DNA molecules and a million red double stranded DNA molecules and I heated it up and added a little base, I'd soon have four million individual strands just floating around in the solution because I've broken up this hydrogen bonding and the DNA molecules fall apart.

假如我这里有一个烧杯 里面,盛有一百万条蓝色DNA双链和,一百万条红色DNA双链,然后我稍微加热一下烧杯,并且加一些碱,很快我就有了四百万条DNA单链,漂浮在溶液里,因为我已经使得氢键断裂,DNA双链也随之打开

耶鲁公开课 - 生物医学工程探索课程节选