baggage为不可数名词，统指行李，不指一件行李，前面不可加a, many, few等修饰语，也没有复数形式，如果表达“一件行李”则可说a piece of baggage或an article of baggage。

baggage用法例句

1、Most of our flights have a baggage allowance of 44lbs per passenger.

我们大多数航班行李限重为每位乘客44磅。

2、The passengers went through immigration control and collected their baggage.

旅客通过入境检查后领取了自己的行李。

3、There wasn't enough room in the baggage compartment for all the gear.

行李舱没有足够的空间放下所有的工具。