They've just announced the African Bicycle Design Contest with the aim of producing a bicycle that is well-suited to the the needs of future bicycle riders in Africa.

他们举办了一场非洲自行车设计竞赛，力求制造出贴合非洲人民日常便利的自行车。

You bicycle riders are a danger and a menace to car drivers in Guangzhou.

你们这些骑自行车的,又横冲直撞,又危险,广州的司机啊,都被你们害死!

Electricity-driven folding bikes have also been launched by some manufacturers and if you are one of those reluctant bicycle-riders, you can simply whiz around on them.

电力驱动的折叠自行车也有一些厂商推出了，如果你是一个对那些不愿自行车车手，你可以简单地呼啸他们周围。