我们的地球妈妈是前祖祖辈辈一直保护下来。自从现代化以后，一直都有污染现象，于是人类创造了垃圾桶，刚开始的垃圾桶上用木头做的，后来，人们为了方便和节省资源，改用铁的和塑料的。
Our mother earth is a former generations have been preserved. Since after the modernization, there have been polluted, so the creation of human trash, trash was the beginning of the use made of wood, people, in order to facilitate the use and save resources, iron and plastic.
现在每个学校都在禁止学生带零食进校门。可是偏偏有同学把零食带进学校，如果被老师发现了，一千多字的检讨书是少不了的!
Now every school in prohibit students bring food into the school. But some students bring snacks to school, if found by the teacher, more than one thousand words jiantaoshu is unavoidable!
现在人们都在严格的检查卫生。要不然，世界就是一个大垃圾场!
Now the people were strict health inspection. Otherwise, the world is a big rubbish dump!