And so,for beauty, for mental health, great photographs or collecting, orchids seem to please us all.

VOA: standard.2010.02.21

And, by all means, if you are scheduled to attend class at 11:00, please take the test at 11:00.

当然，如果你安排到11：00参加考试的话，请在11：00参加考试。

麻省理工公开课 - 固态化学导论课程节选

All right. So please raise your hand now if you think there'll be sufficient energy to eject electrons from the metal surface?

好的，如果你们认为,有足够的能量从金属表面,射出电子请举手？

麻省理工公开课 - 化学原理课程节选

What's interesting are all of the vocal nuances so let's listen to just a bit of this please.

感受人声中有趣的微妙变化,让我们一起听一下

耶鲁公开课 - 聆听音乐课程节选