a clean city的意思?

U6 keep our city clean的中文意思. Keep our city clean什马意思? I will help clean up the city parks.的中文意思是什么呀.还有这里的clean 为什么 苏教版小学六年级上册 U6 keep our city clean这篇课文的中文意思. 《keep our city clean》的英语作文 clean的意思clean中文意思 以a proposal to make our city clean and beautiful题的英语作文 heart of a city的意思是什么? clean的意思 英语20.A clean environment can help the city The city here is__.A.no less clean B.no clean C.no cleaner D Trees can help _____ the air in the city.A to clean B clean