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

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 作文 I will help to clean up the city parks 作文I will help to clean up the city parks i will help clean up the city parks 为什么不是i will help to clea 英语人教版新册unit2 I will help to clean up the city parks 的section I"ll help clean up the city parks 求初二英语（新目标）下册Unit2 I'll help to clean up the city parks的40个词组 英语翻译（偶们这教学是五四制度的）初三下册unit7《I‘ll help clean up the city parks 求关于l'll help clean up the city parks的英语作文 i could help clean up the parks. could是什么词? help 和 clean都是动词 Lucy will help clean up the city parks .So will Lily.改为同义句 - we'll help clean up the city parks.