Today roller skating (旱冰) is easy and fun and it is popular throughout the world. People like roller skate outside on paths and roads and inside in rinks. But a long time ago it wasn’t easy at all. Before 1750 the idea of skating didn’t exist. That changed because of a man ...
Today, roller skating (旱冰) is easy and fun, and it is popular throughout the world. People like roller skate outside on paths and roads, and inside in rinks. But a long time ago, it wasn’t easy at all. Before 1750, the idea of skating didn’t exist. That changed because of ...