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

And this young man wrote the leech part in Motuo footing travel guide.
他写了墨脱徒步攻略里关于蚂蝗的部分；
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
They leech the fun out of dating.
他们剥夺了约会的乐趣。
Which kind of leech ( leech) can be a bloodletting treat.
哪种水蛭（蚂蝗）可以作为放血治疗。
The leech is described in a top10 list of new species.
这种水蛭在十大新物种之列。
You ought to go to America – that's the place for a bloodsucking leech like you
你该到美国去，那儿才是你这种吸血鬼呆的地方
His five-year old son stuck to him like a leech.
他那五岁的儿子总缠着他。
Ellie stuck to her mother like a leech.
埃莉像水蛭一样缠住她母亲。
You wanna take a leech home as a pet?
你要像养宠物那样带水蛭回家？
It was horrible. a giant leech got me.
好可怕，我被一条大水蛭缠上。