Our immune systems are killing billions of germs right now.
我们的免疫系统正在杀死数以十亿计的细菌。
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。
Or it could simply keep their immune systems healthy.
或者这样可以直接保持病人免疫系统的健康。
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。
While stress can weaken immune systems, humor can help strengthen them.
如果说压力能抑制免疫力的话，幽默就能增强免疫力。
Babies and people with compromised immune systems would be most at risk.
婴儿及免疫系统稍弱的人群将处于极度危险之中。
So man's immune systems are no match for those of wives and girlfriends.
所以，男性的免疫系统无法与他们妻子和女朋友的匹敌。
Extreme stress can impair the development of the nervous and immune systems.
极度紧张有可能损害神经和免疫系统发育。
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。
Natural musky funk is a good thing if your immune systems are compatible A.K.A.
如果你的免疫系统彼此协调的话，自然的麝香是个不错的选择。
Children are especially vulnerable because they have weaker immune systems.
儿童免疫力较弱，所以更易受沙尘威胁。
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。
Chronically over-reactive immune systems may not, though, be an entirely bad thing.
慢性过分反应免疫系统不会像过分敏感的免疫系统，虽然它也是一个坏东西。
At every stage, the virus would meet stiff resistance from the pigs' immune systems.
这些病毒在变异的每个阶段都会遇到猪自身免疫系统的顽强抵抗。
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。
Young children, pregnant women, older people, and those with compromised immune systems are hit hardest.
青少年儿童，孕妇，老年人等这些免疫系统弱的人会遭受很大的伤害。
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。
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。
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