这种疫苗对流感的免疫效力时间较长。
他的免疫系统彻底崩溃了，他已病入膏肓。
His immune system completely broke down and he became very ill.
我们的免疫系统正在杀死数以十亿计的细菌。
该病人的免疫系统会将移植器官作为异物加以排斥。
The patient's immune system would reject the transplanted organ as a foreign object.
免疫系统的工作就是抵御感染。
抗原——抗体免疫的两个重要表现是裂解。
Two important manifestations of antigen-antibody immunity are lysis.
他们对文化冲击免疫了。
在脊椎动物中，免疫系统提供了对体内寄生虫的多重防御。
In vertebrates, the immune system provides a multiple defense against internal parasites.
我的研究重点是随着年龄的增长，我们的免疫系统会发生什么变化。
My research focus is on what happens to our immune system as we age.
一些研究甚至表明，当我们和朋友在一起时，免疫功能会得到改善。
Some research even suggests that immune function is improved when we are around our friends.
然而，目前免疫疗法还处于试验阶段。
For the time being, however, immunotherapy is still in its experimental stages.
这种病令人惊讶的难以患上，因为大多数人对它有一种先天的免疫力。
This disease is surprisingly difficult to catch, as most people have a natural resistance to it.
蠕虫是如何影响免疫系统的哪？
而较年轻的人则无此种免疫保护。
这使得免疫系统难以识别他们。
但免疫系统如何区分感染和外伤？
But how does the immune system distinguish between an infection and trauma?
妇女怀孕后，其免疫系统就被削弱了。
你的肠道包含超过60%的免疫系统。
这使得免疫系统难以识别它。
免疫系统也能够识别和消灭某些癌症。
The immune system is also capable of recognizing and eradicating certain cancers.
这还与你的免疫系统有关。
研究也表明增强你的免疫系统就能保护你。
Studies also show that strengthening your immune system can protect you.
这会减弱你的免疫系统。
你的免疫系统受到影响。
谨记：压力和焦虑严重破坏你的免疫系统。
这就是所谓群体免疫力。
我们对广告是免疫的。
我们对广告是免疫的。
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