How much land should be turned to dump areas to dispose these mass we garbage? How many tons of poisonous gas will be produced and work unknown hard on people health? If we continue to turn these 垃圾的分类回收 ......
垃圾分类英文作文_英语学习_外语学习_教育专区 Waste Sorting 垃圾分类 Waste sorting is not a popular convention in our country though it should be. Garbage bins filled with all sorts of recyclable and ......
