inline skating
noun [ U ] (also in-line skating) uk/ˌɪn.laɪn ˈskeɪ.tɪŋ/ us/ˌɪn.laɪn ˈskeɪ.t̬ɪŋ/
直排轮滑（穿单排滚轴冰鞋滑行）
the activity of skating while wearing special skates with a single row of wheels on the bottom of each one
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