名词滚地球，沿地面跳滚的球
1. 一坠落地,绳子没能吸收动能：Grapevine knot 渔夫结 | Grounder 一坠落地,绳子没能吸收动能. | Grigri Petzl 生产的一种能自锁的保护装置.
2. 滚地球：grounded 接地的 | grounder 滚地球 | groundhog 土拨鼠
3. 滚球：grounded 通地 | grounder 滚球 | groundhogmarmotwoodchuck 土拨鼠
4. 磨碎机：grounding 接地 | grounder 磨碎机 | ground stopper bottle 磨塞瓶
1. Johnny Damon singled home the first run and Derek Jeter's RBI grounder cashed in the second.
2. He shook off the defence and chipped a grounder into the back of the net at close range.
3. grounder
3. He left a runner on in the eighth inning after shortstop Jason Bartlett made an error on Alex Cora's grounder.
noun
1. (baseball) a hit that travels along the ground
Synonym: ground ball groundball hopper