Sit slightly forward on the chair so your back is not touching the chair's back.

稍微身体前倾地坐在椅子上从而背部不和椅背接触。

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What's going on here, so go back to your Economics 115 or 150, if you took either of those courses.

这到底是怎么回事,回顾一下经济学115或者150,如果你们有人学过这些课的话

耶鲁公开课 - 博弈论课程节选

So, what I'll ask is can you stand up if you had your particle bounce back?

有13个背散射,助教们？

麻省理工公开课 - 化学原理课程节选

So I hope you will not object to that, because you don't have microphones on you, and it's very cumbersome to get them back to you, so we're not going to mike you so that your answers can be heard.

所以我希望你们不要反对，因为你们没有麦克风，把麦克风传过去给你们会很费事，所以我不会让你们借助麦克风,来让我们听到你的回答。

耶鲁公开课 - 1945年后的美国小说课程节选

So your back garden is dirt.

FORBES: But Every Generation Does Indeed Exhaust Its Mineral Reserves

If not, you've probably already missed your chance to pick up one of those three HD-A1s from your local Best Buy, so kick back with your over-the-air, cable or satellite HD, and let someone else fight the format war for you.

ENGADGET: Toshiba HD-A1 HD DVD player gets hands-on treatment HD

The device won't let you make voice calls or surf the Web, but it does offer a host of safety features: It can map a bread-crumb trail of your coordinates so that people back home can track your whereabouts from any Web browser.

WSJ: DeLorme inReach SE, a Satellite Gadget for the Civilian | Geek Chic