parasite

• n. 寄生虫；食客

来自希腊语parasitos,坐在别人旁边吃饭的，吃剩饭的，来自para-,在旁，在周围，sitos,食物，词源同sitophobia.引申词义寄生虫。

1. an animal or plant that lives in or on a host (another animal or plant); the parasite obtains nourishment from the host without benefiting or killing the host

2. a follower who hangs around a host (without benefit to the host) in hope of gain or advantage

parasite (n.)

1530s, "a hanger-on, a toady, person who lives on others," from Middle French parasite (16c.) or directly from Latin parasitus "toady, sponger," and directly from Greek parasitos "one who lives at another's expense, person who eats at the table of another," from noun use of an adjective meaning "feeding beside," from para- "beside" (see para- (1)) + sitos "food," of unknown origin. Scientific meaning "animal or plant that lives on others" is first recorded 1640s (implied in parasitical).

Any object moving through air encounters parasite drag.

任何物体在空气中运动都会产生废阻.

辞典例句

The insicked insect can carry a parasite that in affects infects the central native assistencenervous system.

这种昆虫自身携带着能影响中枢神经系统的寄生虫.

期刊摘选

Damage from the parasite is worst in dry soil with low fertility.

干旱贫瘠的土地里,这种寄生物所造成的破坏是最严重的.

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Blastocystis hominis is an intestinal protozoan parasite restricted to humans and primates.

人芽囊原虫(Blastocystishominis, B. h)是一种存在于人类和其他灵长类动物体内的肠道寄生原虫.

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Malaria curse occurs when a person bitten a mosquito that carries the parasite, but.

当人被带有寄生虫的蚊虫叮咬时, 就会引发疟疾.

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A candiru, a vicious parasite, will swim up the urine into your pau.

钻穴鱼, 一种寄生鱼类, 会顺着尿液游进你那里.

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Method Animals were caught by cages, and parasite infection was revealed by dissection and anatomical study.

方法笼捕后, 乙醚麻醉处死后解剖检查体内寄生虫的感染情况.

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He's just a parasite. He always asks his father for money.

他就像个寄生虫, 总向他爸爸要钱.

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Both the malaria parasite and the mosquitoes which spread it respond to temperature and moisture.

传播疟疾的疟疾寄生虫和蚊子都对温度和湿度做出反应.

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The paper introduced standard approaches on collection of parasite samples and preservation of specimens.

本文介绍蠕虫、原虫、昆虫等标本的采集、制作和保存的规范方法.

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For I am the parasite of this town.

因为我只是这个城市的寄生虫.

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The changes cause their assistants systems to attack the parasite, blocking its development.

这些改变使他们的免疫系统攻击寄生虫, 阻碍它们繁殖.

期刊摘选

Parasite resources are not only needed for scientific research, but also one of important national resources.

寄生虫虫种资源不仅是研究和生产的需要, 同时也是国家重要资源之一.

期刊摘选

The relationship between host and parasite can be disarranged in many ways.

可以用许多方法破坏寄生和寄生物之间的相互关系.

辞典例句

The lazy man was a parasite on his family.

那懒汉是家里的寄生虫.

《现代汉英综合大词典》

He says that the research identified a weakness in the parasite.

他指出这次研究验证了这种寄生虫的弱点.

期刊摘选

The mistletoe plant is a parasite on trees.

槲寄生是寄生于树上的植物.

《简明英汉词典》

I don't want to be a parasite. I must earn my own way in life.

我不想做寄生虫, 我要自己养活自己.

《简明英汉词典》

He says weakness research identified a weakness in the parasite.

他称研究已鉴定出该寄生虫的一个弱点.

期刊摘选

The protozoan blood parasite that causes sleeping sickness, or trypanosomiasis, infects humans, cattle, and other animals.

原生性血液寄生虫会引起嗜睡症或是锥虫病(例:非洲锥虫病), 其感染人类, 牲畜以及其他动物.

期刊摘选

There is constant arms race going on between predator and prey, parasite and host.

在捕食者和猎物, 寄生虫和寄主之间,恒久不变的军备竞赛一直进行着.

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Human Demodex is a small permanent parasite which can cause human demodicidosis.

人体蠕形螨是一类小型永久性专性寄生螨,可引起人体蠕形螨病.

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A big problem, for example, is the, a deadly parasite.

例如, 最大的问题就是瓦螨—一种致死性寄生虫.

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The insects mated, and all of them fed on mice infected with the malaria parasite.

这些昆虫互相交配, 所有蚊子都以感染过痢疾寄生虫的老鼠为食.

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Older dogs, however , have usually become immune to the parasite.

年纪大一点的狗 基本上 都会对蛔虫有免疫力.

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Fungus is a parasite on certain plants.

真菌寄生在某些植物中.

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One of the ways the parasite spreads is through fecal matter.

寄生虫传播的一种方式是通过排泄物。

柯林斯例句