roller-blade滑旱冰;滚轴溜冰鞋
roller r blade单排轮滑
Developer Roller Sealing Blade显影辊密封片
roller sealing blade轴封口刀
roller-blade n轮子排成一排的
roller-blade along the riverbank沿着河岸溜直排轮
Roller Blade Killer差婆阿娇
Roller of saw-blade锯片辊筒
saw blade roller锯条辊压机
N-COUNT（可数名词） Rollerblades are a type of roller skates with a single line of wheels along the bottom. 单排滚轴旱冰鞋 [trademark]
N-UNCOUNT（不可数名词） rollerblading 滚轴溜冰
Rollerblading is great for all ages.
滚轴溜冰老少皆宜。