In two thousand five, Ball State University in Muncie,Indiana, began a program called "Degree in Three."

VOA: special.2009.07.23

He has a little ball. A little two- or three-year-old kid has a ball.

他有一个小球，一个两或三岁的孩子有一个球。

耶鲁公开课 - 1945年后的美国小说课程节选

There are three ways, the goal--the attacker could kick the ball.

罚球队员可以选择三种不同射门路径

耶鲁公开课 - 博弈论课程节选

So,their reward for finding a scat is they get to play ball for two to three minutes and that keeps them good all day long."

VOA: standard.2010.02.22