Military spokesman Udaya Nanayakkara says the army is now less than a kilometer away from a safe zone, which was set up to protect civilians inside rebel-controlled territory.

VOA: standard.2009.03.17

Gee, I wonder if I could come up with a set of transitions occurring inside atomic hydrogen Just right match that what Angstrom measured back in 1853.

嘿！我想知道我是否可以想出,发生在氢原子内的,一系列的跃迁，正好符合,阿姆斯特朗在1853年测得的东西。

麻省理工公开课 - 固态化学导论课程节选