Now,oursideofthecarconstantmoreup,theenvironmentalsoincreasinglyworse!Thattheairaroundustherearemanyharmfulsubstances.Therefore,wewanttoSuearoundthingsstarttodo.Forexample,wecangotoschoolbybikeorwalk,itcanexercise.Ifyouhavetimecanuselesselevator,manyclimbstairs.Wecannotonlyphysicalexercise,butalsotoprotectourenvironment. 譯文 現(xiàn)在,我們身邊的汽車不斷的多了起來,環(huán) (共 496 字) [閱讀本文] >>