postcentrum

例句：

1. 1. The postcentrum is located near the entrance to the park.
   邮筒位于公园入口附近。
2. 2. She placed her letter in the mailbox and hoped it would arrive soon.
   她把信放在了邮筒里，希望它能尽快到达。
3. 3. The old postcentrum was replaced with a new one after renovation.
   在翻新后，旧的邮筒被一座新的取代了。