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。
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。
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。
In double-play ballhandling, infielders must execute appropriate feeds and be able to redirect the ball. Practice ball handling each day with drills.
在双杀的掌握中，内野手必须执行适当传球，以改变传球路径。每天训练传接球的准度。
Here's a simple tip that will help you master this shot: Practice hitting low volleys with a tennis ball placed under your hitting arm.
这里有一个小窍门帮助你掌握这种击球方法：夹一个网球在你击球胳膊的腋下来练习低位截击。
Steadily, with practice, I improved my ability to ignore the other two balls and keep at least one ball on the playing field.
逐渐地，通过练习，我可以更自如地忽略其他两个球，在球场上保留至少一个球。
It is concluded the ball mill power can be determined in accordance with its size, ball filling ratio and rotation rate, and the method is proven to be feasible in practice.
由此得出，设计大型磨机时，可根据其规格及填充率、转速率确定功耗计算的方法，通过运行实践证明，此方法是可行的。
It is concluded the ball mill power can be determined in accordance with its size, ball filling ratio and rotation rate, and the method is proven to be feasible in practice.
由此得出，设计大型磨机时，可根据其规格及填充率、转速率确定功耗计算的方法，通过运行实践证明，此方法是可行的。
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