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

2. (互联网上的)冲浪，漫游，浏览
Surfing is the activity of looking at different sites on the Internet, especially when you are not looking for anything in particular.

1. the sport of riding a surfboard toward the shore on the crest of a wave

Synonym: surfboardingsurfriding