rack英语怎么说

邮递员的英文可以说成letter carrier，mail carrier，postman，mail man或mailman。例句：①He used to be a mail carrier.他过去是一名邮递员②Are they postmen or policemen?他们是邮递员还是警察?③The letter carrier found the package wrapped haphazardly in a plastic bag, with no mailing address or return address, and notified police. 信差发现该包裹被随便包在一个塑料袋中。由于上面既没有寄信地址也没有回信地址，信差马上通知了警方。