He skated the length of the rink without stopping.

他一下子滑了整溜冰场。

Skating on the skating rink is good fun.

在溜冰场溜冰是很有趣的。

He skated a figure of 8 in the rink.

他在溜冰场上溜了8字形。

He skated a figure of eight in the rink.

他在溜冰场上溜了八字形。