postbox

n. /ˈpoʊstbɑːks/ A2

邮箱；邮筒

A public red metal box in the street for posting letters.

仙境例句

Bill dropped his letter into the postbox, then could not remember whether he had written his name on it.

比尔把信投进邮筒，然后才发现记不清自己写没写名字。