we wear school uniform at school.uniform为什么不加s?

问题描述:

we wear school uniform at school.uniform为什么不加s?

uniform指制服,是个可数名词,但有时却是不可数名词,例如in uniform就是不可数的,‘他穿着校服’是He is in school uniform,‘他们穿着校服’同样是They are in school uniform.而wear uniform则可不可数都可以,你可...