Males that are more susceptible to disease and parasites will have to use their carotenoids to boost their immune systems.
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。
Boiling water kills harmful bacteria and parasites.
沸水杀死有害细菌和寄生虫。
Defending Life discusses the relationship between hosts and parasites.
保护生命讨论在主人和寄生动物之间的关系。
Bacteria and parasites often use special toxins to perforate the membranes of target cells.
细菌和寄生虫经常利用特殊的毒素穿孔于靶细胞的细胞膜。
STIs are caused by bacteria, viruses and parasites. Some of the most common infections are below.
性传播感染由细菌、病毒和寄生虫引起。
Children without shoes are susceptible to injuries and parasites that infect humans through our feet.
儿童不穿鞋容易遭受创伤或通过足部感染寄生虫。
Industrial shrimp producers use antibiotics and chemicals during production to prevent disease and parasites.
工业虾生产者在生产过程中使用抗生素和化学品是用来防止疾病和寄生虫。
The antibodies in question target phosphorylcholine, a fat found on the surface of various bacteria and parasites.
所讨论的抗体是针对磷酸胆碱（在多种细菌和寄生物表面发现的脂肪）的。
Higher temperatures may also increase the risk of pests and parasites, because fewer will die off during the winter.
较高的气温也会增加生害虫和寄生虫的危险，因为冬季虫子死的更少。
Living things such as bacteria, molds, viruses and parasites that cannot be seen with the unassisted human eye.
无仪器辅助情况下，肉眼不可观测到的活体生物，如细菌，霉菌，病毒或寄生物等。
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.
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。
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。
As a result, the immune system starts attacking its own body instead of protecting it from bacteria, viruses and parasites.
结果，免疫系统开始攻击自己的身体，而不是为了保护身体免遭细菌、病毒和寄生虫的侵袭。
In particular, the large and rich colonies of honeybees are a very rewarding target for a great variety of predators and parasites.
在自然界中，动物所面临的生存威胁主要来自于捕食者和寄生生物。
Microbes are even more responsive; temperature and rainfall patterns significantly affect the viability of viruses, bacteria, and parasites.
微生物则更敏感；气温和降雨模式会对的病毒、细菌和寄生虫的生存活性产生重大的影响。
Cats are just as susceptible to disease and parasites as dogs, but our Numbers show that they are not getting the care they need and deserve.
猫仔和狗仔一样容易感染疾病和寄生虫，但我们收集的数字却显示猫仔们并未得到它们所需且应得的医疗护理。
Salmon farming is very polluting: Thousands of fish are crammed into pens, which leads to the growth of diseases and parasites that require antibiotics and pesticides.
三文鱼养殖业污染很严重：几千条鱼塞进鱼塘后，会导致病害和寄生虫的增加，就必须使用抗生素和杀虫剂。
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.
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。
You have stressed the need for flexible strategies that can respond, as control progresses, to complex changes in the dynamic relationship between people, mosquitoes, and parasites.
你们强调了对灵活战略的需要，这种战略随着疟疾控制工作的进展，可以应对人、蚊子和寄生虫之间动态关系的复杂变化。
But what if factors other than climate, like the food available nearby or the viruses, bacteria, and parasites native to the area, also had an effect on various human populations' genetic toolkits?
但是如果除开气候这一因素，像就近的食物资源或者作为原住民的病毒，细菌和寄生虫等也能对丰富的人类基因工具箱产生影响呢？
Whereas adaptive immunity is thought to be a response to specific bacteria, viruses, fungi and parasites, innate immunity has always been seen as the body's general response to all threats of disease.
适应性免疫被认为是对具体的细菌，病毒，真菌和寄生虫的反应，而先天免疫一向被认为是身体对所有致病威胁的一般反应。
Many reports have showed that the transgenic plants have some disadvantages and potential influences on the non-target species, even the higher trophic level organisms, e. g. predators and parasites.
现有一些资料表明：转基因植物对有益生物如天敌尤其是寄生性天敌将产生一些潜在的不利影响。
In nature, itching and scratching help animals get rid of parasites, plant material, or other unwanted baggage.
事实上，骚痒和抓挠帮助动物去掉寄生虫、植物体或其它不想要的垃圾。
Natural selection favors the parasites that are best able to find and feed on hosts.
自然选择偏爱那些最容易找到寄主并以之为食的寄生虫。
Natural selection favors the parasites that are best able to find and feed on hosts.
自然选择偏爱那些最容易找到寄主并以之为食的寄生虫。
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