leech

英 [liːtʃ]

美 [liːtʃ]

n. 水蛭; 蚂蟥; 依赖他人钱财者; 攫取他人收益者; 寄生虫
v. 用水蛭吸血; 依附并榨取

复数：leeches　现在分词：leeching　过去分词：leeched　过去式：leeched　第三人称单数：leeches　

Collins.1 / BNC.19877 / COCA.18653

牛津词典

noun

水蛭；蚂蟥
a small worm that usually lives in water and that attaches itself to other creatures and sucks their blood. Leeches were used in the past by doctors to remove blood from sick people.
依赖他人钱财者；攫取他人收益者；寄生虫
a person who depends on sb else for money, or takes the profit from sb else's work

水蛭；蚂蟥
Aleechis a small animal which looks like a worm and lives in water. Leeches feed by attaching themselves to other animals and sucking their blood.
N-COUNT 吸血鬼；寄生虫
If you describe someone as aleech, you disapprove of them because they deliberately depend on other people, often making money out of them.
1. They're just a bunch of leeches cadging off others!
  他们只不过是一帮伸手向人要这要那的寄生虫！

noun

carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end
Synonym:bloodsuckerhirudinean
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
Synonym:parasitespongesponger

verb

draw blood
1. In the old days, doctors routinely bled patients as part of the treatment
Synonym:bleedphlebotomizephlebotomise

This paper summarized the research of Luehdorfia chinensis Leech, including Systematic Position, Biological Characteristics, Feeding and Protection.
本文从分类地位、生物学特性、取食和保护等几方面，对中华虎凤蝶研究进展作了综述。
Effect of Leech Capsule on stability of carotid plaque and expression of platelet membrane glycoprotein
水蛭胶囊对颈动脉斑块稳定性及血小板膜糖蛋白分子表达的影响
Large European freshwater leech formerly used for bloodletting.
欧洲大型的淡水水蛭，曾用于放血。
You wanna take a leech home as a pet?
你要像养宠物那样带水蛭回家？
The leech is described in a top10 list of new species.
这种水蛭在十大新物种之列。
They leech the fun out of dating.
他们剥夺了约会的乐趣。
My shy little sister clung to me like a leech all through the party.
我那腼腆的小妹在聚会上寸步不离地跟着我。
These days, however, the banking industry is regarded more as a leech.
然而，最近，银行业更多地被视为吸血鬼。
He's fastening on that poor girl like a leech.
他像蚂蟥一样缠着那个可怜的姑娘。
The leech hangs about other people hoping to obtain money.
那个吸血鬼依附于他人希望获得钱财。