The twenty-one year-old throws a sharp breaking ball that cuts across the plate at the last second.

VOA: special.2010.06.18

What does it feel like to be the machine while it's looking at-- while it's got its little light sensors pointed at--the red ball?

当机器以电子眼,对着那个红色的球,它会有什么样的感觉

耶鲁公开课 - 死亡课程节选

Each page a victory, at whose expense the victory ball?

汗青页页,尽书胜主,成败之价,谁人乘沽

耶鲁公开课 - 1871年后的法国课程节选

At the base of the hair root is a small ball-like formation called a bulb.

VOA: special.2011.04.05

Behaviorism looks at the human entity, at the person as basically a collection of behaviors as a box, like a billiard ball knocked around by reinforcements, by punishment, by reward.

行为主义认为人的主体性，认为人是一个行为集合，就像一只被击打而四处滚动的台球，被增强，奖惩驱动。

哈佛公开课 - 幸福课课程节选

During games, pitchers threw the ball at his head.

VOA: special.2009.04.05

You have a tube, a transparent--a tube--a hollow tube, and at the top of the tube you throw a ball through so it whips through the tube and it comes out.

用一根管子,一根透明中空的管子,从管子最上面,你丢进去一个小球,小球迅速穿过管子,飞出来

耶鲁公开课 - 心理学导论课程节选

Ball says adults should start off with exercises at the base of the pyramid, like walking or climbing stairs.

VOA: standard.2010.02.26

"Friends,I interrupt the ball game, and I come to you with a heavy heart to make the announcement that at 6:45 p.m.tonight, Coach John Wooden passed away at Ronald Reagan UCLA hospital.

VOA: standard.2010.06.05