柯林斯词典exercise bike (exercise bikes) 1. N-COUNT An exercise bike is a special bicycle that does not move, so that you can exercise on it at home or at a gym. 室內健身自行車 返回 exercise bike剑桥词典a machine for taking exercise that looks similar to and is used like a bicycle but does not move from one place 健身自行車 返回 exercise bike