cycling
/ˈsaɪklɪŋ/noun
mass noun
- the sport or activity of riding a bicycle. Cycle racing has three main forms: road racing (typically over long distances), pursuit (on an oval track), and cyclo-cross (over rough, open country).自行车运动, 骑自行车（自行车比赛有三种主要方式： 公路自行车赛, 多为长距离; 自行车追逐赛和自行车越野赛）。