letter box
noun /ˈletə bɒks/
/ˈletər bɑːks/
(British English)- enlarge imageenlarge image(North American English mail slot)a narrow opening in a door or wall through which mail is delivered
(门或墙上的)信箱 Topics Houses and homesc1 - (North American English mailbox)a small box near the main door of a building or by the road, which mail is delivered to
(建筑物大门口或路旁的)信箱 - (also postbox (British English), North American English mailbox)a public box, for example in the street, that you put letters into when you send them
邮筒;邮箱 compare pillar box