Usage Note:Luggage is an uncount noun.You can have a piece of luggage or some luggage but you ca
问题描述：
Usage Note:Luggage is an uncount noun.You can have a piece of luggage or some luggage but you ca
翻译：Usage Note:Luggage is an uncount noun.You can have a piece of luggage or some luggag
答
使用方法说明：行李是一个不可数名词.你可以说一件行李或者一些行李.
意思就是表示复数的时候luggage后面不加s.