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

柯林斯词典

• 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！

英英释义

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

双语例句

• 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。
• What are you a leech?
  你是个水蛭吗？
• 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。
• Ellie stuck to her mother like a leech.
  埃莉像水蛭一样缠住她母亲。
• Which kind of leech ( leech) can be a bloodletting treat.
  哪种水蛭（蚂蝗）可以作为放血治疗。
• 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。
• This is the first time it has been demonstrated that antibiotics can leech into the water supply.
  这是首次证明抗菌素能渗入供水中。
• Season 3 kicks off just two months after the proposal, with the Crawleys including Matthew, left, and in-law Branson ( Allen Leech) preparing for the grand celebration.
  在订婚后仅仅两个月第三季就开拍了，和克劳利一家包括马修（左）和姻亲布兰森（AllenLeech）准备盛大的庆典。
• 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？