social movement
US /ˈsoʊʃl ˈmuːvmənt/
UK /ˈsoʊʃl ˈmuːvmənt/
1.
社会运动
a loosely organized effort by a large group of people to achieve a particular goal, typically a social or political one
:
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The civil rights social movement transformed American society.
民权社会运动改变了美国社会。
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Environmental protection is a growing social movement worldwide.
环境保护是全球范围内日益壮大的社会运动。