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leech    音标拼音: [l'itʃ]
n. 水蛭,吸血鬼,榨取他人利益的人
vt. 以水蛭吸血
vi. 依附于别人

水蛭,吸血鬼,榨取他人利益的人以水蛭吸血依附於别人

leech
n 1: carnivorous or bloodsucking aquatic or terrestrial worms
typically having a sucker at each end [synonym: {leech},
{bloodsucker}, {hirudinean}]
2: a follower who hangs around a host (without benefit to the
host) in hope of gain or advantage [synonym: {leech}, {parasite},
{sponge}, {sponger}]
v 1: draw blood; "In the old days, doctors routinely bled
patients as part of the treatment" [synonym: {bleed}, {leech},
{phlebotomize}, {phlebotomise}]

Leech \Leech\ (l[=e]ch), n.
See 2d {Leach}.
[1913 Webster]


Leech \Leech\, v. t.
See {Leach}, v. t.
[1913 Webster]


Leech \Leech\, n. [Cf. LG. leik, Icel. l[imac]k, Sw. lik
boltrope, st[*a]ende liken the leeches.] (Naut.)
The border or edge at the side of a sail. [Written also
{leach}.]
[1913 Webster]

{Leech line}, a line attached to the leech ropes of sails,
passing up through blocks on the yards, to haul the
leeches by. --Totten.

{Leech rope}, that part of the boltrope to which the side of
a sail is sewed.
[1913 Webster]


Leech \Leech\, n. [OE. leche, l[ae]che, physician, AS. l[=ae]ce;
akin to Fries. l[=e]tza, OHG. l[=a]hh[imac], Icel.
l[ae]knari, Sw. l[aum]kare, Dan. l[ae]ge, Goth. l[=e]keis,
AS. l[=a]cnian to heal, Sw. l[aum]ka, Dan. l[ae]ge, Icel.
l[ae]kna, Goth. l[=e]kin[=o]n.]
1. A physician or surgeon; a professor of the art of healing.
[Written also {leach}.] [Archaic] --Spenser.
[1913 Webster]

Leech, heal thyself. --Wyclif (Luke
iv. 23).

2. (Zool.) Any one of numerous genera and species of annulose
worms, belonging to the order {Hirudinea}, or Bdelloidea,
esp. those species used in medicine, as {Hirudo
medicinalis} of Europe, and allied species.
[1913 Webster]

Note: In the mouth of bloodsucking leeches are three
convergent, serrated jaws, moved by strong muscles. By
the motion of these jaws a stellate incision is made in
the skin, through which the leech sucks blood till it
is gorged, and then drops off. The stomach has large
pouches on each side to hold the blood. The common
large bloodsucking leech of America ({Macrobdella
decora}) is dark olive above, and red below, with black
spots. Many kinds of leeches are parasitic on fishes;
others feed upon worms and mollusks, and have no jaws
for drawing blood. See {Bdelloidea}. {Hirudinea}, and
{Clepsine}.
[1913 Webster]

3. (Surg.) A glass tube of peculiar construction, adapted for
drawing blood from a scarified part by means of a vacuum.
[1913 Webster]

{Horse leech}, a less powerful European leech ({H[ae]mopis
vorax}), commonly attacking the membrane that lines the
inside of the mouth and nostrils of animals that drink at
pools where it lives.
[1913 Webster]


Leech \Leech\, v. t. [imp. & p. p. {Leeched} (l[=e]cht); p. pr.
& vb. n. {Leeching}.]
1. To treat as a surgeon; to doctor; as, to leech wounds.
[Archaic]
[1913 Webster]

2. To bleed by the use of leeches.
[1913 Webster]

105 Moby Thesaurus words for "leech":
Chilopoda, Chordata, Doctor of Medicine, Echiuroidea, Ectoprocta,
Entoprocta, GP, MD, Monoplacophora, Nemertinea, Phoronidea,
adherent, adhesive, allopath, allopathist, attending physician,
barnacle, beat, bedbug, blackmailer, bleed, bloodsucker, boltrope,
bramble, brier, bulldog, burr, canvas, cement, clew, cloth,
coroner, country doctor, cringle, croaker, crowd of sail, cup,
deadbeat, decal, decalcomania, doc, doctor, earing, extortionist,
family doctor, foot, fore-and-aft sail, freeloader,
general practitioner, give a transfusion, glue, gunk, harpy, head,
house physician, intern, let blood, limpet, luff,
medical attendant, medical examiner, medical man,
medical practitioner, medico, molasses, mosquito, mucilage, muslin,
parasite, paste, perfuse, phlebotomize, physician,
physician in ordinary, plain sail, plaster, predator,
press of sail, prickle, profiteer, racketeer, rag, raptor,
reduced sail, reef point, reefed sail, remora, resident,
resident physician, sail, sawbones, shakedown artist, shark,
smell-feast, sponge, sponger, square sail, sticker, syrup, thorn,
tick, transfuse, vampire, vulture, wood tick

Someone who {downloads} files but provides
nothing for others to download. The term is common on
{BitTorrent}, which relies on having multiple sources for
files to improve download speed.

(2007-03-27)

leech 1. n. (Also leecher.) Among BBS types, crackers and
warez d00dz, one who consumes knowledge without
generating new software, cracks, or techniques. BBS culture specifically
defines a leech as someone who downloads files with few or no uploads in
return, and who does not contribute to the message section. Cracker
culture extends this definition to someone (a lamer,
usually) who constantly presses informed sources for information and/or
assistance, but has nothing to contribute. See
troughie.


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  • Leech - Wikipedia
    The leech appears in the biblical Book of Proverbs as an archetype of insatiable greed [1] The term "leech" is used to characterise a person who takes without giving, living at the expense of others [2]
  • Leech - Types, Size, Anatomy, Habitat, Diet, Lifespan, Life Cycle
    What are leech Are they dangerous Where how long do they live What do they eat How do they reproduce Learn their size, predators, life cycle with pictures
  • Leech | Annelid, Bloodsucking Parasite Medicinal Uses | Britannica
    Leech, (subclass Hirudinea), any of about 650 species of segmented worms (phylum Annelida) characterized by a small sucker, which contains the mouth, at the anterior end of the body and a large sucker located at the posterior end
  • Leech Animal Facts - Hirudinea - A-Z Animals
    The leech (Hirudinea) is a predator and blood-sucking parasite that is native to almost every continent This aquatic worm is a member of the Annelida phylum, which means it’s related to the earthworm
  • LEECH Definition Meaning - Merriam-Webster
    The meaning of LEECH is any of numerous carnivorous or bloodsucking usually freshwater annelid worms (class Hirudinea) that have typically a flattened lanceolate segmented body with a sucker at each end
  • Leech - New World Encyclopedia
    The medicinal leech, Hirudo medicinalis, which is native to Europe, and its congeners have been used for clinical bloodletting for thousands of years Some species of leech will nurture their young, providing food, transport, and protection, which is unusual behavior in an invertebrate
  • Leeches in the extreme: Morphological, physiological, and behavioral . . .
    Leech classification is arranged so that families and genera tend to include members with similar ecological and physiological tolerances Based on the sister group, Branchiobdellida or crayfish worms, being an exclusively freshwater lineage, leeches likely had a freshwater ancestor
  • 9 Terrifying Leech Facts - Fact Animal
    There are more than 700 described species of leech, and they can be found almost everywhere They also come in all colours and sizes, but one thing that really stands out about this group of worms is how tough they are
  • Leech (Hirudinea) — EcoSpark
    Learn about the leech (Hirudinea spp ) benthic macroinvertebrate by exploring the life cycle, feeding habitats, interesting facts and its role in the food chain
  • The Secret Life of Leeches, Blood-Sucking Aquatic Worms
    Meet the leech, the misunderstood hero of aquatic ecosystems all over the world, who does not always suck blood!





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