chocalate cake"cake"用单数还是复数?Why?

问题描述:

chocalate cake"cake"用单数还是复数?Why?

Cake是‘蛋糕’,作可数
或不可数 名词都可以.一个蛋糕是a cake,可以数;切成多片,每片都是a piece of cake,那cake就变成不可数名词,指蛋糕.