“大合唱”用英语怎么说

Chorus 也是合唱的意思
或者community singing

Exactly

大合唱
a chorus;
(在场的人一起参加的)大合唱
community singing

他们在大合唱。
They were all singing in chorus

清唱剧/圣歌谣曲/大合唱
cantata

这支歌改编已成大合唱。
The music of the song has been rearranged for the cantata.
黄河大合唱
Yellow River Cantata

chorus
[5kC:rEs]
n.
合唱, 合唱队, 齐声

chorus
cho.rus
AHD:[kôr“…s, k½r“-]
D.J.[6k%8r*s, 6k*&r-]
K.K.[6k%r*s, 6kor-]
n.（名词）
【复数】 cho.rus.es
Music
【音乐】
A composition in four or more parts written for a large number of singers.
合唱曲：为一大群歌手谱写的四部或更多部的歌曲
A refrain in which an audience joins a soloist in a song.
合唱句，重叠句：由一名观众在独唱歌手的一支歌中加入的副歌
A repeat of the opening statement of a popular song played by the whole group.
迭句：由全部成员表演的一首流行歌曲的开场白的重复
A solo section based on the main melody of a popular song and played by a member of the group.
独唱