ㄍㄨㄣˇgǔnㄉㄨㄥˋdòng

  1. 翻滾移動車輪地上滾動。」靜止

to roll, (to do sth)​ in a loop, to scroll (computing)​, to progressively expand (economics)​, to rumble (of thunder)​
rouler
rollen (V)​