A key question is whether either chamber of Congress will employ what is called the "reconciliation process" aimed at overcoming filibusters,or blocks, in the Senate on contentious measures where a 60-vote majority is usually required to pass major legislation.

VOA: standard.2009.03.24

RNA polymerase is smart, it knows where it needs to go in order to make the copy of RNA that's required.

NA聚合酶很聪明,它知道该由什么位置介入,来转录所需要的RNA

耶鲁公开课 - 生物医学工程探索课程节选

I think that if a classroom devolves to the point where physical force is required to gain control,

我认为，如果一个课堂秩序十分混乱，以至于要用武力来维持秩序，

反对体罚 - SpeakingMax英语口语达人

"Well it seems to me if we train officers to do a particular thing and put them into situations where that training is required and then we see pictures of them doing what they have been trained to do, we cannot simply wash our hands of it at that point and say how awful it is,right?" "We have to share some of that responsibility.

VOA: standard.2009.04.21