同义词
- freeloader
- hanger-on
- leech
- parasite
- sponge
词路径
- entity
- physical entity
- object
- physical object
- whole
- unit
- living thing
- animate thing
- organism
- being
- animal
- animate being
- beast
- brute
- creature
- fauna
- invertebrate
- worm
- annelid
- annelid worm
- segmented worm
- leech
- bloodsucker
- hirudinean
上位词
- annelid
- annelid worm
- segmented worm
下位词
- Hirudo medicinalis
- horseleech
- medicinal leech