词路径
- entity
- physical entity
- object
- physical object
- whole
- unit
- artifact
- artefact
- instrumentality
- instrumentation
- conveyance
- transport
- vehicle
- craft
- vessel
- watercraft
- ship
- cargo ship
- cargo vessel
- oil tanker
- oiler
- tanker
- tank ship
- supertanker
上位词
- oil tanker
- oiler
- tank ship
- tanker