post puller

例句：

1. 1. The postal service is responsible for delivering mail to our doorsteps.
   邮政服务负责将邮件送达我们的家门口。
2. 2. The postal worker was busy sorting and packing parcels.
   邮递工人正在忙着分拣和打包包裹。
3. 3. The postal worker carefully placed the package in the mailbox.
   邮递工人小心翼翼地把包裹放进邮箱。