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

• Large European freshwater leech formerly used for bloodletting.
  欧洲大型的淡水水蛭，曾用于放血。
• The overwintering stage of Parocneria furva ( Leech) in Hengyang, Hunan Province, is reported and its overwintering stages in other areas of China are discussed.
  记述了侧柏毒蛾在湖南省衡阳地区的越冬虫态，并对该虫在我国其他地区的越冬虫态进行了探讨。
• 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！
• 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。
• What are you a leech?
  你是个水蛭吗？
• 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。
• 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。
• 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；
• My shy little sister clung to me like a leech all through the party.
  我那腼腆的小妹在聚会上寸步不离地跟着我。
• 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。