They play eight-man ball, although if a bigger school comes to town they switch numbers with every possession, so that each side can practice its plays.

他们按八人制的规则打球，如果来镇上比赛的学校人比较多，他们就会在每次控球权转换时调整人数，这样双方都能按自己习惯的规则打球。

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If you practice kicking a soccer ball with your eyes closed, it takes only a few tries to become quite good at predicting where the ball will end up.

如果你闭着眼睛练习踢足球，仅仅只需几次尝试就能很好的预测球的最终方位。

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A fly ball hit for Fielding practice by a player who tosses the ball up and hits it on its way down with a long, thin, light bat.

飞球运动员为防守练习而击打的腾空球，先将球抛起来，在球未落地前，用长而细的轻快球棒击打。

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"We've let our best kids play practice sets with the green ball, and every time we've done that the coaches say they're playing a better brand of tennis, " said Patrick McEnroe, the USTA's general manager of player development.

WSJ: Is Tennis Getting Too Soft?

McIlroy was out in a three-ball with team-mates Llewellyn Matthews and Jamie Moul in Tuesday morning's practice at RCD.

BBC: McIlroy magnetism