Maiga: The International Grounder Federation was founded in 1951.

麦加: “国际地滚球联合会”成立于1951年.

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.

Daddy to let me receive, has hit ball simple infield grounder, I meet immediately the ball.

爸爸为了让我接到，打了一球简单的内野滚地球，我立刻将球接住了。