girl students为什么girl 不加S.woman teachers 还是women teachers?
问题描述：
girl students为什么girl 不加S.woman teachers 还是women teachers?
答
普通名词做定语用单数形式,如:a book store,many shoe factories ,some girl students但有三个需用复数,分别是,man-men woman-women child-children例：men teachers women nurses children stars...