bicycle是可数名词。
bicyclen.自行车；脚踏车；v.骑自行车；
例如The height of the bicycle seat is adjustable.
She wheeled her bicycle across the road.
她推着自行车穿过了马路。
He got on his bicycle and rode off.
他骑上自行车走了。
The bicycle was beyond repair.
自行车已损坏得无法修理。
水利万物而不争,
而万物莫能与之争。
