群众性的英文：
of a mass character

参考例句：

Now a mass movement to plant trees is in full swing all over the country.
现在群众性植树运动正在全国大力开展。

Launch a mass production movement
开展群众性生产运动

The trade union in a joint venture is a mass organization formed by the staff and workers.
合营企业工会是职工自愿结合的群众性组织。

He went in for the mass swim across the Changjiang River.
他参加了横渡长江的群众性游泳活动。

Including horse racing, antiphonal singing, and big-scale folk dance.
有赛马、对歌和大型群众性歌舞活动。

mass是什么意思：
n. 团，块，堆；大量；群众；大部分，主体
v. 集中，聚集
adj. 大众的；大规模的

a mass murderer
杀戮众多的人

stability of rock mass and soil mass surroundingunderground excavation
地下洞室围岩(土)稳定性

A mass or collection of material that is distinct from other masses.
和其它大多分开的一团和一堆物质。

Gathered into a rounded mass.
成团的；结块的；聚结的聚集成圆形团块的

That was a mass liberation movement.
那是一场群众解放运动。

character是什么意思：
n. 品质，性格，特征，特点，角色，名誉，有趣的人，字符，字体，身份
v. 使具有特性，刻，印

A coded character set whose character set is an alphabetic character set
一种编码字符集,它的字符集是一种字母字符集。

Fluctuations are spatial and temporal in character.
这种波动的特点是空间性和瞬时性的。

To lower in quality or character;debase.
使变得低劣降低质量或品格；贬低

Characters drift about aimlessly.
人物总是漫无目的地四处漂泊。

Every Chinese character is a story.
每一个汉字都是一个故事。