roller skate の英語での意味
roller skateˈroller skate noun [countable] 
すべての翻訳を見る 
a special boot with four wheels fixed under it, used for skating on hard surfaces硬い路面でスケートをするための、底に四つの車輪が付いた専用ブーツ → Rollerblade, in-line skate—roller-skate verb [intransitive]—roller skating noun [uncountable]
すべての翻訳を見る a special boot with four wheels fixed under it, used for skating on hard surfaces硬い路面でスケートをするための、底に四つの車輪が付いた専用ブーツ → Rollerblade, in-line skate—roller-skate verb [intransitive]—roller skating noun [uncountable]