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单词 parasite
释义
parasite
(once / 1084 pages)
n

A creature that lives off another organism is a parasite. The parasite might not hurt the host, but it doesn't do anything to help it, either.
If you call someone a parasite, you are really hurling an insult! The Ancient Greeks used the word parasitos to describe someone who ate at your table but never invited you back. Some telling synonyms include leech," toady, sponge, and hanger-on." Nice, huh? Some crafty birds, such as the cowbird or cuckoo, are called social parasites, laying their eggs in other birds' nests and expecting those mamas to raise their young for them. Unfortunately, there are some people like that, too.
WORD FAMILY
parasite: parasites, parasitic, parasitical, parasitism, semiparasite+/parasitic: nonparasitic, parasitically, semiparasitic/parasitism: parasitisms
USAGE EXAMPLES
According to Almond, “The queasy irony here is that Stewart and Colbert are parasites of the dysfunction they mock.”
Salon(Dec 31, 2016)
"Every year we lose enough food to feed hundreds of millions of people to pathogens and parasites," he says.
BBC(Dec 30, 2016)
Hairworms are gruesome parasites that grow up to 30 centimeters long inside the bodies of their hosts.
Science Magazine(Dec 29, 2016)
1n an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host
Ant|Hypo|Hyper
host
an animal or plant that nourishes and supports a parasite; it does not benefit and is often harmed by the association
endoparasite, endozoan, entoparasite, entozoan, entozoon
any of various parasites that live in the internal organs of animals (especially intestinal worms)
ectoparasite, ectozoan, ectozoon, epizoan, epizoon
any external parasitic organism (as fleas)
parasitic plant
plant living on another plant and obtaining organic nutriment from it
flea
any wingless bloodsucking parasitic insect noted for ability to leap
Parasitaxus ustus, parasite yew
rare and endangered monoecious parasitic conifer of New Caledonia; parasitic on Falcatifolium taxoides
Buckleya distichophylla, buckleya
parasitic shrub of the eastern United States having opposite leaves and insignificant greenish flowers followed by oily dull green olivelike fruits
Comandra pallida, bastard toadflax
woody creeping parasite of western North America having numerous thick powdery leaves and panicles of small dull-white flowers
Pyrularia pubera, buffalo nut, rabbitwood
shrub of southeastern United States parasitic on roots of hemlocks having sparse spikes of greenish flowers and pulpy drupes
Loranthaceae, family Loranthaceae, mistletoe family
in some classification includes Viscaceae: parasitic or hemiparasitic shrublets or shrubs or small trees of tropical and temperate regions; attach to hosts by haustoria
Loranthus europaeus, mistletoe
shrub of central and southeastern Europe; partially parasitic on beeches, chestnuts and oaks
American mistletoe, Arceuthobium pusillum
small herb with scalelike leaves on reddish-brown stems and berrylike fruits; parasitic on spruce and larch trees
Christmas tree, Nuytsia floribunda, fire tree, flame tree
a terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers; parasitic on roots of grasses
Old World mistletoe, Viscum album, mistletoe
Old World parasitic shrub having branching greenish stems with leathery leaves and waxy white glutinous berries; the traditional mistletoe of Christmas
false mistletoe, mistletoe
American plants closely resembling Old World mistletoe
hemiparasite, semiparasite
a parasitic plant that contains some chlorophyll and therefore is capable of photosynthesis
being, organism
a living thing that has (or can develop) the ability to act or function independently
2n a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
Syn|Hyper
leech, sponge, sponger
follower
a person who accepts the leadership of another
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更新时间:2024/11/10 18:34:00