Bicycle motocross
01
自行车越野, 小轮车
a sport in which participants use specially designed bicycles to perform tricks and race on a dirt track
例子
He started training for bicycle motocross at a young age.
他从小就开始训练自行车越野赛。
The bicycle motocross competition drew large crowds last weekend.
上周末的自行车越野赛吸引了大量观众。



























