mainstream
n [sing]
1 dominant trend, tendency, etc 主要倾向、 趋势等; 主流
the mainstream of political thought 政治思潮的主流
[attrib 作定语]
mainstream politics 主流政治学.
2 style of jazz that is neither traditional nor modern 主流派爵士乐（介乎传统与现代之间者）
[attrib 作定语]
a mainstream band, player 主流派爵士乐乐队、 演奏者.