leech

名词 leech:

1. carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end
   同义词：bloodsucker, hirudinean
2. a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
   同义词：parasite, sponge, sponger

动词 leech:

1. draw blood
   同义词：bleed, phlebotomize, phlebotomise

1. One of several small ropes attached to the leech of a sail for drawing the sail in or up.
   卷帆索系在帆的垂缘上以将帆张开或收下的一些小绳的一条
2. An animal, such as a leech, that sucks blood.
   吸血动物吸血的动物，例如蚂蟥
3. 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。
4. A leech is a small blood-sucking worm and usually lives in water.
   水蛭是一种小型吸血虫，通常生活在水中。

leech

n.（名词）
Any of various chiefly aquatic bloodsucking or carnivorous annelid worms of the class Hirudinea, of which one species(Hirudo medicinalis) was formerly used by physicians to bleed patients.
水蛭，蚂蟥，欧洲医蛭：蛭纲环节幼物中几种主要水生吸血或食肉环节蠕虫中的一种，其中的（欧洲医蛭） 过去曾被医生用于为病人放血
One that preys on or clings to another; a parasite.
吸血鬼，寄生虫，食客：寄生于他人或粘着于他人的人；寄生虫
Archaic A physician.
【古语】 医生
v.（动词）
leeched,leech.ing,leech.es
v.tr.（及物动词）
To bleed with leeches.
用水蛭给…放血
To drain the essence or exhaust the resources of.
榨取脂膏或耗尽资源
v.intr.（不及物动词）
To attach oneself to another in the manner of a leech.
以寄生的方式依附并榨取他人

来源：
Middle English leche [physician, leech]
中古英语 leche [医生，水蛭]
from Old English lôce * see leg-
源自 古英语 lôce *参见 leg-

leech
leech 2

n.Nautical （名词）【航海】
Either vertical edge of a square sail.
垂直帆缘：横帆的任何一个垂直帆缘
The after edge of a fore-and-aft sail.
纵帆的后帆缘，后缘

来源：
Middle English leche
中古英语 leche
probably from Middle Low German lok [leech line] * see leig-
可能源自 中古低地德语 lok [帆缘线] *参见 leig-