leech

• 名词，有两个主要含义：（1）一种有吸盘的水生或陆生吸血或肉食性蠕虫；（2）指剥削他人或为私利而依附他人的人。

A noun with two primary meanings: (1) a carnivorous or bloodsucking aquatic or terrestrial worm with a sucker at each end; (2) a person who exploits or hangs around others for personal gain or advantage.

1. Bloodsucking wormB1formal

   A type of carnivorous or parasitic worm that lives in water or moist soil and attaches to hosts using suckers to feed on blood or tissue.

   水蛭

   • The doctor applied a leech to reduce swelling after surgery.
   • Leeches were once commonly used in bloodletting practices.
   • The pond is home to many leeches that feed on fish.
   • Hikers are advised to check for leeches after walking through wetlands.

   同义词bloodsucker

2. Parasitic followerB2informal

   A person who depends on or clings to someone else for personal benefit, often without giving anything in return.

   寄生虫

   • He's nothing but a leech, always borrowing money and never paying it back.
   • She realized her so-called friend was a leech who only called when she needed something.
   • The wealthy businessman surrounded himself with leeches who flattered him for favors.
   • In the office, he was known as a leech who took credit for others' work.

   同义词bloodsuckercadgerdependentfreeloaderhanger-onmoocherparasitescroungersponger

   反义词benefactorcontributorgiverprovidersupporter

• 动词，指像水蛭一样依附他人、榨取资源或利益，常带有寄生、剥削的意味。

A verb meaning to drain resources or cling to someone for personal gain, often in a parasitic manner.

1. C1formalmedical

   To use a leech to draw blood from a person or animal, historically for medical purposes.

   放血

   • In medieval times, doctors would leech patients to balance humors.
   • The physician leeched the wound to remove infected blood.
   • Some modern surgeons still leech tissue to promote healing.

   同义词bleed

2. Exploit or drainB2informal

   To take advantage of someone or something, often by draining resources or energy.

   剥削

   • He leeched off his friends for years without contributing.
   • The company leeched the local community's resources.
   • She felt leeched of all her energy after the argument.

   同义词bleeddrainexploitmilkmoochsponge

   反义词aidassistbenefitbestowcontributeendowgivehelpnurtureprovidesupplysupportsustain

短语动词变体leech onto