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

• 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。
• 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
• Large European freshwater leech formerly used for bloodletting.
  欧洲大型的淡水水蛭，曾用于放血。
• 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
• 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。
• 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！
• 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。
• Jimmy leech, no one could run like you in school races.
  吉米利查，在校田径赛中没有人跑得像你一样快。
• 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。