roller skate

柯林斯词典

1. N-COUNT Roller skates are shoes with four small wheels on the bottom. 雙排四輪旱冰鞋
A boy of about ten came up on roller skates. 一個大約十嵗的男孩穿著雙排四輪旱冰鞋滑了過來。
2. V-I If you roller-skate, you move over a flat surface wearing roller skates. 滑旱冰
On the day of the accident, my son Gary was roller-skating outside our house. 在出事的那天，我的兒子格雷正在我們家外麪滑旱冰。