On that note, let's dim the lights, so we can see these slides and actually look at the techniques they used.

在这一点上，让我们把灯光调暗，这样我们就能看到这些幻灯片，实实在在地看看他们使用的技术。

youdao

Several of our residents enjoy learning about flowers, where they grow best, how to look after them, and so on.

我们的一些居民喜欢学习有关花卉的知识，它们在哪里生长得最好，如何照料它们，等等。

youdao

Apparently, we look down on acquaintances more so than friends.

显然，比起朋友，我们更看不起熟人。

youdao

The chairs tilt back so that it is easy to look up and watch a movie projected on the ceiling.

VOA: special.2009.03.11

So, if I look at the mole ratios on the reaction over there I'm going to find that I'll be able to consume, at most, 1,029 over two, right?

所以，注意反应的摩尔比,我们会发现，1029摩尔的镁能被消耗，对吧？

麻省理工公开课 - 固态化学导论课程节选

So, if we look on the periodic table, comparing, for example, s to o, if we have s it's below o, what happens to ionization energy as we go down a table?

那么，如果我们看周期表上，比较，比如，硫和氧，硫在氧下面，当我们沿着表向下看的时候,电离能是怎么变化的？

麻省理工公开课 - 化学原理课程节选

The reason they look so comfortable on stage is because they have practiced delivering every slide time and time again.

FORBES: Reps, Reps, Reps: Barack Obama Muscles His Way Back

He never seemed to understand that if you were an African-American oppressed under Jim Crow or a woman without many rights, you wouldn't look so fondly on the good old days.

CNN: Your America isn't the only one, Mr. Huckabee

Economic collapse is one way of cutting down on U.S. CO2 emissions, so perhaps we should look on the bright side.

FORBES: The Light Bulb Moment: Lights Out In America?