post本身就有名词形式
post
n.邮政;邮递;邮寄;邮寄的信函(或包裹等);邮件;收集(或投递)邮件的时间;邮班
v.寄;邮寄;把(信件等)投入邮筒;投递;把…放入(或塞入)
The once-powerful post unions have been cut down to size.
一度很强势的邮政联盟已经威风不再。
My house is two doors down from the post office.
过了邮政局再走两家就是我家了。
Where's the main post office?
邮政总局在哪儿?