| 释义 |
abbr- ① 【美】=Rural Delivery; Rural Free Delivery(=RD; R.D.; R.F.D.)
词路径- entity
- abstraction
- abstract entity
- psychological feature
- event
- act
- deed
- human action
- human activity
- communication
- communicating
- mail
- mail service
- postal service
- post
- rural free delivery
- RFD
上位词- mail
- mail service
- post
- postal service
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