Here in the United States, stand-alone record stores have given way to such alternatives as digital downloading which now accounts for about 20 percent of all recorded music sales.

VOA: standard.2009.12.25

You put them into your environment as here, go alone and get back as soon as you finished.

为生活定下这些目标，独自离开，结束后返回。

麻省理工公开课 - 媒体、教育、市场课程节选

I'm not working alone here, but we have three teaching fellows who are affiliated with the course, two of which are here today.

我并不是一个人讲授这门课,有三位助教,与我并肩战斗,今天有两位在这里

耶鲁公开课 - 生物医学工程探索课程节选

One thing that makes it pretty clear is that certainly delta S or the sign of it alone is not dictating the outcome here.

这个例子非常清楚的说明,熵增dS或者它的符号,不能单独决定最后的结果。

麻省理工公开课 - 热力学与动力学课程节选

There are nine keys for my left thumb alone so I'm kind of switching between these on the back here and many others, and because of that I can go very high and I'll just demonstrate that.

我的左手拇指就要控制九个音键,通过按动后部,和其他地方的音键,我就能吹出很高的音,我现在就来演示

耶鲁公开课 - 聆听音乐课程节选

So this is a little bit trickier to look at and see what it means, but essentially we have two hybrid orbitals, which are shown in blue here, and then we have one p orbital that's left alone that's going up and down on the page.

看这个图肯能会觉得比较诡异，但本质上，骂我们有两个杂化轨道，这里用蓝色表示，还有剩下一个p轨道,在图中上下方向上。

麻省理工公开课 - 化学原理课程节选