His son,John Quincy Adams, served from eighteen twenty-five to eighteen twenty-nine.

VOA: special.2009.07.24

2 3 Well, son of a gun, one, two, three, four, five, six, sulfur, We've got six. We've used all the electrons.

真见鬼，4，5，6，硫，共六个，我们已经用掉了所有的电子。

麻省理工公开课 - 固态化学导论课程节选

In February,in what was seen as one of the most brutal attacks on Roma, police said Robert Csorba and his five-year-old son were shot dead when they tried to flee their home that was set on fire.

VOA: standard.2009.08.22