30个可数名词 和30个不可数名词答:可数名词 tree,book,pencil,person,computer,desk,mouse,cat,dog,apple,city,country,cloud,shelf,sweet,dictionary,chair,door,window,bus,train,pear,teacher,doctor,student,box,floor,bank,school,hospital 不可数名词 paper(纸),water,food,fruit,meat,fish(鱼肉),milk,juice,air,wind,bread,...