vi.用滚轮溜冰;
例句:
There are children, there can also learn to roller-skate.
有小孩的话, 去那里还可以学滑旱冰.
Everybody can roller skate in the park.
每个人都可以在这个公园内溜冰.
Bill: No, but I can roller-skate.
比尔: 不会, 但是我会溜冰.