孩子们给你一个练习快球的理由。

Kids give you an excuse to work on your fastball.

youdao

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。

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.

youdao

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。

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.

youdao