surfing

1. N-UNCOUNT Surfing is the sport of riding on the top of a wave while standing or lying on a special board. 冲浪运动

...every type of watersport from jetskiing and surfing to sailing and fishing. …从喷气式快艇、冲浪到帆船运动、钓鱼等各种形式的水上运动。

2. N-UNCOUNT Surfing is the activity of looking at different sites on the Internet, especially when you are not looking for anything in particular. 网上冲浪[计算机]

The simple fact is that, for most people, surfing is too expensive to do on a regular basis. 这个简单的事实是：对大多数人来说，网上冲浪费用太高，无法经常进行。