词路径
- entity
- physical entity
- object
- physical object
- whole
- unit
- living thing
- animate thing
- organism
- being
- animal
- animate being
- beast
- brute
- creature
- fauna
- chordate
- vertebrate
- craniate
- bird
- aquatic bird
- seabird
- sea bird
- seafowl
- pelagic bird
- oceanic bird
- petrel
- shearwater
下位词
- Manx shearwater
- Puffinus puffinus