n. 吸血动物, 水蛭, 剥削他人者

[医] 吸血者

[ noun ]
carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end
<noun.animal>

Bloodsucker \Blood"suck`er\, n.
1. (Zo["o]l.) Any animal that sucks blood; esp., the leech
({Hirudo medicinalis}), and related species.

2. One who sheds blood; a cruel, bloodthirsty man; one guilty
of bloodshed; a murderer. [Obs.] --Shak.

3. A hard and exacting master, landlord, or money lender; an
extortioner.