邮局信箱

例句：

1. 1. The postman delivers letters to the postbox every day.
   邮差每天把信件送到邮筒里。
2. 2.The old lady keeps her letters in a small postbox on her balcony.
   老妇人把她的信件放在阳台上的一个小邮筒里。
3. 3.The post office has closed for renovations, so we have to deliver our letters to the nearest postbox.
   邮局因装修而关闭，所以我们不得不把我们的信件送到最近的邮筒。