And he pledged his support for the agency. "We expect that there's,as we speak, another generation of kids out there who are looking up at the sky and are going to be the next Armstrong, Collins and Aldrin,".

VOA: standard.2009.07.20

So, just looking at putting in the electrons, filling up the energy diagram here, we should be able to see a little bit why this is happening.

那么，仅仅通过观察这些电子的位置，在能级图上如何填充，我们应该就可以看出一点端倪。

麻省理工公开课 - 化学原理课程节选

"I think a lot of European allies, including France, are looking to the United States to roll out a new Afghan strategy that they can more comfortably buy into, and they will be looking at whether they can up their contribution, their military contribution, their economic contribution, after they have seen that particular strategy,"

VOA: standard.2009.03.29