postal service
参考词典中postal service的常规释义：
基本释义
- 邮电业
英英解释
1个名词解释
- the system whereby messages are transmitted via the post office
[同] mail, mail service, post, postal service
[例]- the mail handles billions of items every day
- he works for the United States mail service
- in England they call mail the post'
点击查看……- the system whereby messages are transmitted via the post office
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