rolln.卷;滚动;名单;压路机;颤音;圆形物,面包卷v.摇摆;滚;绕;转动;展开
rollwayn.(原木可在其上滚动或滑动的)滚木坡;(河岸上待运的)原木堆
"frolicsome students celebrated their graduation with parties and practical jokes"