skates
Skates are ice-skates.
Skates are roller-skates.
skates , skating , skated
If you skate, you move around wearing ice-skates or roller-skates.
I actually skated, and despite some teetering I did not fall on the ice.
我的确滑冰了。尽管有些踉跄,但是没有摔倒在冰上。