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 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。
Which kind of leech ( leech) can be a bloodletting treat.
哪种水蛭（蚂蝗）可以作为放血治疗。
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。
What are you a leech?
你是个水蛭吗？
Leech and White Peony Decoction Treat Refractory Pain after Full-knee Substitution
水蛭白芍汤治疗全膝置换术后顽固性疼痛疗效观察
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。
Ellie stuck to her mother like a leech.
埃莉像水蛭一样缠住她母亲。
Objective: To study the effects of Decoction of leech and peach kernel on mice with liver fibrosis and investigate the possible mechanisms in protection of liver fibrosis.
目的：观察水蛭桃仁汤对血吸虫病的小鼠肝纤维化的影响，并探讨其对肝纤维化的逆转作用及其作用机制。
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