luggage是不可数名词。主要用作名词，作名词时意为“行李；皮箱”。例句：What about our luggage?我们的行李怎么办？
双语例句
1、There's room for one more piece of luggage.
还有地方再放一件行李。
2、Our luggage was checked all the way through to our final destination.
我们的行李一直被托运到最终目的地。
3、There is no help for those with lots of luggage and/ or small children.
对于行李多而且有小孩的人一点帮助都没有。
4、You stay there with the luggage while I find a cab.
你看着行李，我去找出租车。
5、Everyone helped to unload the luggage from the car.
大家都帮着从汽车上卸行李。