The only earth & the only being! Warning! Our evironment is in emergency Plant is important for the earth Forest is the most concentrated place of plants and the tropical rainforest contains the uncountable kinds of species. Rainforest is the lung (肺) of the earth , but now it is hurted.
保护地球环境 来自淘豆网m.daumloan.com转载请标明出处.
