The movement rapidly gained ground.是什么意思？

The movement rapidly gained ground.

运动进展很快。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

movement

n. 运动，活动，动作，举动，乐章；

例句
...the Adagio movement of his Sixth Symphony.
他的《第六交响乐》的慢板乐章

rapidly

adv. 很快地，迅速地，立即；

例句
He had discovered politics and was rapidly becoming absorbed by it...
他接触到了政治并且迅速地对它着了迷。

gained

v. 获得( gain的过去式和过去分词 )，赢得，增加，（钟、表）走快；

例句
Fans gained more enjoyment barracking him than cheering on the team...
球迷一个劲儿地嘘他，兴头远胜于为球队加油。

ground

n. 地面，土地，基础，范围，阵地，战场；vi. 搁浅，停飞，着陆；vt. 把…放在地上，在…的基础树立上，交给…基本知识，使…受初步训练；v. grind的过去式和过去分词；

例句
...abandoned buildings that become a breeding ground for crime.
沦为了犯罪温床的弃置楼群