lice

名词 louse:

1. wingless usually flattened bloodsucking insect parasitic on warm-blooded animals
   同义词：louse, sucking louse
2. a person who has a nasty or unethical character undeserving of respect
   同义词：worm, louse, insect, dirt ball
3. any of several small insects especially aphids that feed by sucking the juices from plants
   同义词：plant louse, louse
4. wingless insect with mouth parts adapted for biting; mostly parasitic on birds
   同义词：bird louse, biting louse, louse