1.
a grounder that rolls along the infield.
沿着界内滚动的地滚球。
2.
To achieve(a specified score) by bowling.
滚球得分通过滚球得（一个特定分数）
3.
spherical-outside ball bearing
外球面自位滚球轴承
4.
fan end thrust ball bearing
风扇端止推滚球轴承
5.
irregular bounder
不规则弹跳的地滚球
6.
Ladies Lawn Bowls Association of Hong Kong Limited
香港女子草地滚球总会
7.
rolls balls down an alley at pins.
在小胡同里玩滚球的人。
8.
A bowling game in which nine wooden pins are the target.
九柱地滚球一种滚球游戏，用九根木柱做靶子
9.
The Chinese used to call bowling as "grounder", which was a kind of indoor sport using a grounder hitting the stakes. It was origi-nated in Germany between the 3rd-4th century.
保龄球(Bowling)中 国人过去叫“地滚球”，是一种滚球击木柱的室内体育运动。
10.
A roll or throw of the ball, as in bowling.
滚保龄球在保龄球运动中滚动或投掷保龄球
11.
The rolling element (steel ball or pin roller) diameter(mm)
滚动体(钢球或滚柱)直径(mm)
12.
The ball went bouncing down the stairs.
球跳弹着滚下楼梯。
13.
The billiard ball travelled gently across the table.
台球慢慢地滚过台面.
14.
World Bowls Board
世界滚木球运动委员会
15.
track grinder for ball bearing inner race
球轴承内圈滚道磨床
16.
The ball rolled down the little hill into the stream.
球滚下山丘掉进小河里。
17.
ball spline rzeppa universal joint
滚动花键球笼式万向节
18.
igning spherical rolling bearing
自动调心球面滚子轴承