英语中有哪些单词用单数形式具有复数的含义?答:以s,x,ch,sh结尾的名词后加-es class-classes,box-boxes,watch-watches,dish-dishes 3 以-f或-fe结尾的词 变-f和-fe为v再加-es leaf-leaves,thief-thieves,knife-knives,loaf-loaves,wife-wives 加-s belief-beliefs,chief-chiefs,proof-proofs,roof-roofs,gulf-gulfs 4 以辅音字母加y结尾的...