About 93 percent of U.S. residents are immune to measles either because they were vaccinated or they had the disease as a child.

大约93%的美国居民对麻疹是免疫的，他们要么因为接种过疫苗，要么就是小时候得过麻疹。

《柯林斯英汉双解大词典》

The patient's immune system would reject the transplanted organ as a foreign object.

该病人的免疫系统会将移植器官作为异物加以排斥。

《柯林斯英汉双解大词典》

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。

youdao

He says normally a protein in healthy immune cells causes the cells to die after they attack an invading virus or bacteria.

VOA: special.2010.05.19

We're going to talk about how they're prepared, but it's a preparation that is intended to stimulate your immune system.

我们会讲它们是如何做准备的,它通过刺激你的免疫系统来进行准备

耶鲁公开课 - 生物医学工程探索课程节选

This is a way for the immune system to recognize things that are going wrong inside the cell protected from antibodies.

这是免疫系统识别,抗体不能识别的细胞内病变的方法

耶鲁公开课 - 生物医学工程探索课程节选

The idea is that when a critical proportion of a group is immune to a disease, too few individuals are susceptible for that disease to be passed from one to another.

ECONOMIST: Flu vaccination

So they are treating with drugs that impede the immune system, in lieu of helping the patient recognize that it would be a bad move- that it would not give the Provenge immune cells a chance to work.

FORBES: Survey Says Oncologists Not So Hot On Provenge

Disease-causing germs, which grow and spread on showerheads, can potentially cause threats to people with a weakened immune system, a new study by the National Academy of Sciences found.

CNN: Vital Signs health tips