我发明了单车英文

The history of human use of the wheel about 5000 years, and in 1839, Macmillan invented a mechanical bicycle. In 1861, a Frenchman named Brunel, the smaller front wheel, making cycling safer and the ongoing attempts to significantly. In 1885, the British Starley invented the bicycle chain drive. Created a large popular bike

d东张西望柜台

李文海英国生小鸡下午三点多因为我要吃鸡蛋

An English man invented this bicycle一个英国人发明了这辆自行车