2016年2月 的存档信息

Make Our Cities Greener

In recent years our cities have become much greener. A lot of trees, grasses and flowers were planted in vacant plots and on both sides of the street. The area of urban afforestation per person has been greatly increased.    There are a lot of advantages for urban afforestation. First, trees, grasses and flowers can make the city m… (阅读全文)