Riding bikes not ordy contributes to keeping fit, also produces no pollutants.骑车不仅有益于保持健康, 而且无污染.Congestion could be countered by persuading more drivers to get on their bikes...通过劝说更多的驾车者改骑自行车可以缓解交通拥堵。...motor bikes rev...
Bikes come in all shapes and sizes.各种外形和尺寸的自行车都有。They are selling the bikes off the market price.他们按低于市价卖出自行车.They zoomed down to Folkestone on their bikes.他们骑着自行车向福克斯通飞驰而去....