"I don't think it is surprising that al-Qaida would want to shift attention away from the president's historic efforts, and continued efforts, to reach out and have an open dialogue with the Muslim world,"

VOA: standard.2009.06.03

So, ideally what we did see was, in fact, it does have enough energy with the UV lamp, it wasn't a dramatic shift you saw because we didn't start very high and then it went to that stuck point.

所以，理想上我们所看到的，事实上，紫外灯没有足够的能力，因为我们没有从非常高开始,所以它没有一个特别显著的移动,然后它又回到了黏着点。

麻省理工公开课 - 化学原理课程节选

No. I don't have anyone to cover your shift.

不行。我这里没人给你替班。

我就是超人 - SpeakingMax英语口语达人