| 释义 |
词路径- entity
- abstraction
- abstract entity
- psychological feature
- event
- act
- deed
- human action
- human activity
- activity
- use
- usage
- utilization
- utilisation
- employment
- exercise
- application
- practical application
- technology
- engineering
- rail technology
- railroading
- magnetic levitation
- maglev
上位词- rail technology
- railroading
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