用氯片、碘片、或液体漂白剂处理食水不会杀死很多寄生的生物。
Treating water with chlorine tablets, iodine tablets, or liquid bleach will not kill many parasitic organisms.
这一发现意味着virophages(噬病毒体)会通过他们寄生的病毒交换基因，类似于噬菌体通过他们寄生的细菌交换基因。
That discovery implies that virophages may transfer genes between the viruses they infect similar to the way bacteriophages transfer genes between bacteria.
每一次亲吻都要摘除一颗槲寄生的浆果，直到摘完为止。
Each kiss required a berry to be plucked until none remained.
电影讲述了圣诞树，圣诞老人的驯鹿和雪橇，以及小精灵们的由来，此外还介绍了槲寄生的传统。
The film tells the story of the birth of the Christmas tree, Santa's reindeer, his sleigh, his elves and the tradition of mistletoe.
表面看来，为其他动物整理毛发是有实际功用的：可以保持皮毛洁净，去除寄生虫。
On the face of it, grooming another animal is functional. It keeps the pelt clean and removes parasites.
南美小国圭亚那境内有一种名为班氏线虫的寄生虫。
In the tiny South American nation of Guyana lives a problematic parasite called Wuchereria bancrofti.
它们将一种叫作克氏锥虫的寄生虫排到其粪便中。
They pass a parasite called trypanosoma cruzi in their faeces.
神经系统囊虫病是一种由猪肉绦虫引起的颅内寄生虫感染。
Neurocysticercosis is an intracranial parasitic infection caused by the pork tapeworm, taenia solium.
答：疟疾是由寄生虫引起的。
看起来，泥土似乎提供不了太多营养物质——但它也许能保护人体，免受毒素、病菌，寄生虫的伤害。
Seems that dirt doesn't offer much in the way of nutrition-but it may protect against toxins, pathogens and parasites.
看起来，泥土似乎提供不了太多营养物质——但它也许能保护人体，免受毒素、病菌，寄生虫的伤害。
Seems that dirt doesn't offer much in the way of nutrition—but it may protect against toxins, pathogens and parasites.
生活中真正要紧的事情一是自食其力、不做寄生虫，一是爱人如己。
The really serious things in life are earning one's living so as not to be a parasite, and loving one's neighbour.
这些症状也许是由病毒感染引起的，而与寄生虫无关。
These symptoms may be referable to virus infection rather than parasites.
血吸虫病的诊断方法是，检测粪便或尿液标本中寄生虫卵。
Schistosomiasis is diagnosed through the detection of parasite eggs in stool or urine specimens.
血吸虫病是寄生虫引起的一种慢性病。
Schistosomiasis is a chronic disease caused by parasitic worms.
有意思的是，这些有毒物质也能帮助人类对抗癌症或像导致疟疾的热带寄生虫（即疟原虫）。
But these poisons can have a flip side for us—some fight cancer or tropical parasites that cause diseases like malaria.
历史上，我们曾数次觉得已战胜了疟疾，而非常狡猾的寄生虫每次都逃脱控制，让我们落了空，这是令人谦卑的教训。
We know from history that every time we think we have outsmarted malaria we learn the humbling lesson that we are dealing with a very wily parasite.
如果用来比喻人类与战争的关系，“上瘾”显得那么的苍白无力，也有失准确，“寄生”要更加切中要害一些，甚至说成“掠夺”也不为过。
"Addiction" provides only a pallid and imprecise analogy for the human relationship to war; parasitism — or even predation — is more to the point.
在1950年，粘液瘤病毒，一种影响兔子的寄生虫，被故意引入澳大利亚来控制兔子的数量。
In 1950, myxoma virus, a parasite that affects rabbits, was deliberately introduced into Australia to control the rabbit population.
20世纪60年代末期，当斯里兰卡繁荣的椰子果园被潜叶昆虫侵扰时，一种从新加坡引进的寄生幼虫将这种害虫控制住了。
In the late 1960s, when Sri Lanka's flourishing coconut groves were plagued by leaf-mining hispides, a larval parasite imported from Singapore brought the pest under control.
疟疾是由蚊虫传播的寄生虫导致的。
Malaria is caused by parasites that are transmitted by mosquitoes.
她可能患有常见的寄生虫病所引发的炎症。
She could have had inflammation from common parasitic diseases.
疟疾是由称为疟原虫的一种单细胞寄生虫造成的。
Malaria is caused by a one-celled parasite called a Plasmodium.
几年前，寄生蝇的幼虫开始攻击达尔文雀的幼鸟。
Parasitic fly larvae began attacking hatchlings of the Darwin finch a few years ago.
在野外环境中，小鸭子刚出壳就要面对大量的病原体和寄生虫，这时在免疫系统上些许差别就可能决定这些刚孵化的小鸭子的生死。
In the wild, ducklings are exposed to pathogens and parasites as soon as they hatch, and small differences in immune function could determine whether the hatchling survives or not.
那些更容易感染疾病和寄生虫的男性将不得不使用他们的类胡萝卜素来增强他们的免疫系统。
Males that are more susceptible to disease and parasites will have to use their carotenoids to boost their immune systems.
由于没有像我们的祖先一样受到肠道蠕虫和寄生虫的感染，我们的免疫系统变得更加敏感。
Without being exposed to intestinal worms and parasites, as our ancestors were, our immune systems are hypersensitive.
由于没有像我们的祖先一样受到肠道蠕虫和寄生虫的感染，我们的免疫系统变得更加敏感。
Without being exposed to intestinal worms and parasites, as our ancestors were, our immune systems are hypersensitive.
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