Usually, one passenger is allowed to have one compact piece of luggage as carryon luggage.通常, 一名旅客允许带一小件物品作为随身携带的行李上机的....

n.可随身携带的物品...

carryon的音标：carryon的英式发音音标为：['kæri:ɒn]carryon的美式发音音标为：['kæriɒn]...