straight ball

• 直线球

straight ball的用法和样例：

例句

1. That means a longer and straighter ball flight on off-center shots.
   那在歪射击意味一次更长和直线球飞行。
2. Removable weights can be attached to either side of the aerator housing to help maintain a straight course when traversing a slop.
   当通过一斜坡时，附在打孔机机壳两侧的可移动的配重可以帮助保持机器走直线球路。