Ice looks hard and cold.
冰看着又硬又冷。
But skates can glide on it very fast.
可冰刀在上面，能滑得飞快。
The skate pushes very hard on the ice.
冰刀压在冰面上，力气很大。
That pressure makes a thin layer of water.
压力让冰面融出薄薄一层水。
The water is like a smooth slide.
这层水呀，就像一条滑溜溜的滑道。
You really slide on water, not on ice.
其实你是在水上滑，不是在冰上。
That is why skating feels so light.
难怪滑冰时，脚底下那么轻快。
