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

In the20th Century Leech Therapy went out of favor, but now we are in a new era.
20世纪水治疗法不再走俏，但是现在我们在一个新的世纪里。
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。
It was horrible. a giant leech got me.
好可怕，我被一条大水蛭缠上。
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；
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
And scientists say they've found a new animal species-a leech with razor-sharp teeth in the nose of a girl in a remote region of Peru.
科学家们说他们发现了一个新的动物物种&在秘鲁偏远地区一个小女孩的鼻子内发现了有着锋利牙齿的水蛭。
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！
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。
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 Study of Leech on Regeneration of Sciatic Nerve Injury on Rats
水蛭对大鼠坐骨神经损伤再生作用的研究