用英文介绍自行车

Nowadays,it's important for us to live the low-carbon life.The first thing we can do is to ride the bikes.Because first,bikes are cheaper than cars.Second,it's easy to find the place to park bikes.Third,the oil is not necessary for bikes,so bikes won't produce the dirty air.Finally,we can ride bikes to keep fit.Let's ride the bikes instead of cars to protect the environment! 原文链接：//shuzhiren.com/post/81962.html