词路径
- entity
- physical entity
- object
- physical object
- whole
- unit
- artifact
- artefact
- instrumentality
- instrumentation
- conveyance
- transport
- vehicle
- craft
- vessel
- watercraft
- boat
- motorboat
- powerboat
下位词
- cabin cruiser
- cruiser
- launch
- outboard
- outboard motorboat
- pleasure boat
- pleasure craft
- scooter
- sea scooter
- speedboat
- water scooter