n.滚地球，沿地面跳滚的球...

In the gymnasiums of Beijing and Shanghai, there were grounder competitions.上海 、 北京都有健身房里玩地滚球的比赛.The grounder went for a hit, and Damon scooted to third.当这滚地球穿出内野, 大门直奔三垒.Maiga: The International Grounder Federation was ...

grounder的音标：grounder的英式发音音标为：['graʊndə(r)]grounder的美式发音音标为：['ɡraʊndɚ]...