subculture
US /ˈsʌbˌkʌl.tʃɚ/
UK /ˈsʌbˌkʌl.tʃɚ/

1.
亚文化
a cultural group within a larger culture, often having beliefs or interests at variance with those of the larger culture
:
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The punk subculture emerged in the 1970s.
朋克亚文化出现在20世纪70年代。
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Online gaming has developed its own distinct subculture.
在线游戏已经发展出自己独特的亚文化。