The number of Japanese students in the United States decreased for the fourth year, to just over twenty-nine thousand.

VOA: special.2009.11.26

So similarly, as we now move up only one more atom in the table, 3 so to an atomic number of three or lithium, now we're going from six variables all the way to nine variables.

类似地就像我们现在,移动到周期表中仅仅多一个电子的情况，移动到一个原子数为，或者锂元素,现在我们从6个变量到了9个变量。

麻省理工公开课 - 化学原理课程节选

After Title Nine became law, the number of girls who joined high school sports teams sharply increased.

VOA: special.2010.03.04

The Global Polio Eradication Initiative says the number has fallen by ninety-nine percent since nineteen eighty eight.

VOA: special.2010.01.18

He wrote "Symphony Number Two, the Age of Anxiety" in nineteen forty-nine when he was about thirty.

VOA: special.2009.08.02

One hundred thirty-nine wetland species have increased in number since the late nineteen-seventies.

VOA: special.2009.05.12

The number of South Korean students increased nine percent to seventy-five thousand.

VOA: special.2009.11.26

The number was about nine thousand during the last school year.

VOA: special.2009.05.07

The next highest number of comments was forty-nine.

VOA: special.2009.12.31