fair fly

• 界内腾空球

fair fly的用法和样例：

例句

1. 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。