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。
That rapid replication rate also increased the chances of strains evolving in ways that allowed them to evade hog immune systems.
那样迅速的复制速度也增加了菌株进化的机会，使它们能够用种种方式避开猪的免疫系统。
In response to viral infection, the immune systems of mice typically produce antibodies that destroy the virus by binding to proteins on its surface.
在病毒感染的反应中，老鼠的免疫系统通常会产生抗体，通过与病毒表面的蛋白质结合来破坏病毒。
We have stronger immune systems.
我们有更强的免疫系统。
Without being challenged as kids, our immune systems don't flourish.
在小时候如果不能得一些小疾，我们的免疫系统就不会被激发。
The toxins can be particularly harmful for people with weakened immune systems.
而这些有毒物质对于免疫系统低下的人可能尤为有害。
Flu typically preys on the old and on those whose immune systems are compromised.
通常，流感波及的对象是老年人和免疫功能低下的人群。
Some argue that the absence of parasites is leading to hypersensitive immune systems.
有些理论认为少了寄生虫的寄生便导致了免疫系统的超敏反应。
In people with healthy immune systems, these symptoms do not last more than about a week.
在具有健康免疫系统的人身上，这些症状的持续不会超过一个星期。
Perhaps this constant moving is stressful for the bees and so depresses their immune systems.
也许持续的迁移对蜜蜂造成压力，抑制了其免疫系统。
Do they have extraordinarily robust immune systems, and the rest of us, pathetically weak ones?
他们有非常强的免疫系统，而我们当中其他人的免疫系统就那么悲哀地虚弱吗？
But it appears our immune systems decide which antibodies are most important and suppress others.
但似乎免疫系统判断哪些抗体最重要的，并抑制其它抗体。
Scientists found that some people's immune systems could recognise parts but not all of the virus.
科学家发现，一些人的免疫系统只能识别部分病毒，而不是全部。
Sharks have strong, complex immune systems that include an angiogenin inhibitor in their cartilage.
鲨鱼有强壮的，复杂的免疫系统，包括软骨中的血管生长素抑制物。
They would survive if their bodies and immune systems had not been weakened by hunger and malnutrition.
如果他们的体质和免疫系统未因饥饿和营养不足而虚弱，他们本会存活。
The difference between our physical and psychological immune systems is that we know all about the physical.
身体免疫系统和心理免疫系统的区别在于我们只了解前者。
The most striking find of the study was that the women often picked the men who had the strongest immune systems.
这项研究最令人注目的地方是女性通常选出来的是那些具有最强免疫系统的男性。
Mercury may have toxic effects on the nervous, digestive and immune systems, and on lungs, kidneys, skin and eyes.
汞可能对神经、消化和免疫系统，以及肺、肾脏、皮肤和眼睛具有毒性作用。
By staying one step ahead of our immune systems, the flu virus can infect large numbers of people year after year.
由于一直领先免疫系统一步，流感病毒每年都可感染大量的人。
Using the patients' existing cells reduced the possibility of their immune systems attacking the manipulated cells.
利用病人现存的细胞来减少免疫系统对经过处理的细胞的攻击。
The very young children, in contrast, represent the responses of immune systems that have no past history with H1N1.
与此相反的是，幼龄儿童没有与H1N1的既往接触史，故而免疫系统无法及时作出反应。
These are diseases that people with normal immune systems can also get, but with HIV they occur at a much higher rate.
这些疾病也可能发生在免疫系统正常的人身上，但HIV感染者的患病几率要高得多。
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。
However, children, the elderly and those with weakened immune systems are advised against eating lightly-cooked eggs.
但是，不建议孩子，老人以及抵抗力较弱者食用这种微熟的鸡蛋。
It is thought the elderly may have better resistance because their immune systems recognise the virus from past infections.
鉴于老人的免疫系统能够从过去的传染病例中识别出猪流感病毒，老人被认为具有较低的感染几率。
Risky-food consumption also appeared to be higher among children with compromised immune systems than among healthy children.
“危险”食物消费在免疫功能较弱的儿童群体食用比例要高于在健康儿童群体。
The other nine were between 21 and 39 - unusual ages for people to die from flu because they tend to have stronger immune systems.
其他九例是21到39岁的青年——这是因流感而亡的不正常的年龄段，因为他们有比较强的免疫系统。
The other nine were between 21 and 39 - unusual ages for people to die from flu because they tend to have stronger immune systems.
其他九例是21到39岁的青年——这是因流感而亡的不正常的年龄段，因为他们有比较强的免疫系统。
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