n.邮差,邮递员，邮差( postman的名词复数 )
Waiters serve us food and drinks and postmen deliver letters.
餐馆服务员供应我们食物,邮政人员给我们送信.
The dog has nipped the postmen on the leg.
这条狗咬了邮递员的腿.
Where do these people work? In the post office. They are postmen.
这些人在哪儿工作? 在邮局. 他们是邮递员.