英语翻译
求翻译
Careful boys and girls learn to ride their bicycles well before they go out on the road.How can you tell whether you are a good rider?
If you can ride a bicycle in a straight line,you can ride well.If you can't ,you should practice riding at a safe place.To be safe on a bicycle,you must to use both hands and both feet.Keep your feet on the pedals and your hands on the handle bars at all times.