roller-skate
(also skate), n type of shoe with small wheels fitted to the bottom, allowing the wearer to glide over hard surfaces 旱冰鞋; 辘鞋
a pair of roller-skates 一双旱冰鞋. =>illus at skate 见skate插图. v [I, Ipr, Ip]
roll about smoothly wearing a pair of these 穿旱冰鞋滑行
She roller-skated across rather unsteadily. 她穿著旱冰鞋晃晃悠悠地滑了过去.