two pieces of ckae 还是two pieces of cakes

问题描述:

two pieces of ckae 还是two pieces of cakes

cake是可数的,所以用复数。如果换了不可数的,那就用单数,以下都为正确的:two pieces of cakes /a piece of cake /a couple of people /two couples of people

第二个哦

two pieces of cakes
遇到不可数名词才不用复数形式

后者