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- ① 单轨铁路
- by monorail以单轨铁路(★无冠词)
- Monorail systems could help ease traffic congestion.单轨铁路系统可能有助于纾解交通的阻塞。
词路径
- entity
- abstraction
- abstract entity
- group
- grouping
- social group
- organization
- organisation
- enterprise
- business
- concern
- business concern
- business organization
- business organisation
- carrier
- common carrier
- line
- railway
- railroad
- railroad line
- railway line
- railway system
- monorail
上位词
- railroad
- railroad line
- railway
- railway line
- railway system