a turkey sandwich,那么两个火鸡三明治是Turkey变复数还是sandwich变复数?

问题描述:

a turkey sandwich,那么两个火鸡三明治是Turkey变复数还是sandwich变复数?
快啊、

主语是sandwich,当然是sandwich变复数.
turkey sandwiches.
比如水果蛋糕是:fruit cakes.