1、骑自行车
...by bike骑自行车；骑单车ride a bike骑自行车mountain bike n. 山地车；山地自行车 ...
BY HIS BIKE按他的自行车;他骑车
by motor bike骑摩托车
by the bike骑自行车
by electric bike骑电动自行车
be knocked by a bike被自行车撞倒
Britain by Bike骑车游英国
ride abike by bike骑自行车
Guided tour by bike马德里自行车之旅
To Chernobyl By Bike骑摩托穿行切尔诺贝利