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1·Eye problems can indicate an unhealthy lifestyle with subsequent suppression of the immune system.

眼睛问题表明一种不健康的生活方式以及随后免疫系统所受的抑制。《柯林斯英汉双解大词典》

2·Despite anything the science of medicine may have achieved, the immune system is our main defence against disease.

不管医疗科学已取得了什么样的进步，免疫系统仍是我们抵抗疾病的主要防御手段。《柯林斯英汉双解大词典》

3·When the immune system sees them, it will try to kill them.

当免疫系统“看到”它们时，就会试图杀死它们。

4·Scientists who study stress learnt a little stress can make the immune system stronger.

研究压力的科学家们了解到，少量压力可以让免疫系统更强大。

5·The immune system will know what the viruses look like, and send B cells (lymphocytes) or antibodies to find and kill them.

免疫系统将识别“病毒”的样子，并派遣B细胞（淋巴细胞）或抗体去找到并杀死它们。

6·They can produce enough new viruses to train the immune system to kill and remember them, so people only need to take the vaccine once.

它们可以产生足够多的新病毒来训练免疫系统杀死并记住它们，所以人们只需要接种一次疫苗。

7·The job of the immune system is to fight infections.

免疫系统的工作就是抵御感染。

8·The objective is to study the impact of extra water on the immune system in mice.

目的是研究多余的水对老鼠免疫系统的影响。

9·In vertebrates, the immune system provides a multiple defense against internal parasites.

在脊椎动物中，免疫系统提供了对体内寄生虫的多重防御。

10·Encapsulation protects cells from getting killed by the immune system and would contain teratoma cells, says Weir.

“封装能保护细胞免遭免疫系统攻击，并且会含有畸胎瘤细胞。” Weir 说。