roller-skating       
noun [ U ] uk/ˈrəʊ.lə.skeɪ.tɪŋ/ us/ˈroʊ.lɚ.skeɪ.t̬ɪŋ/
 轮滑
the activity of moving along the ground using roller skates
  I became very good at roller-skating.  我变得非常擅长轮滑。 
 a popular roller-skating rink  受欢迎的溜冰场 
 See: roller skate
 - More examples
 - One hurts from a football injury, the other from a roller-skating accident.
 - You might like to emulate the local inhabitants and try a spot of roller-skating using in-line skates.
 - She'd soon get the hang of roller-skating .
 - a roller-skating party