tracksuit bottoms
noun [ plural ] UK uk/ˈtræk.suːt ˌbɒt.əmz/ us/ˈtræk.suːt ˌbɑː.t̬əmz/ (UK informal also trackie bottoms); (US sweatpants)
运动裤
soft, loose trousers that you wear for doing sport or exercise, or as informal clothing
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