My research focus is on what happens to our immune system as we age.

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。

youdao

Is communication so important to our survival and marriage system as individuals?

沟通对我们作为个体的生存和婚姻制度是否如此重要？

youdao

Here water may be stored in ice form for hundreds or even hundreds of thousands of years before being released again into the liquid water system as meltwater.

在这里，水可能以冰的形式储存数百年甚至数十万年，然后再以融水的形式释放到液态水系统中。

youdao

But some earn half that and are on the same pay system as cleaning people.

VOA: special.2009.08.13

This is commonly used in the immune system as well, but it's a way of amplifying a signal.

免疫系统也常使用这种方法,但这主要是一种放大信号的方式

耶鲁公开课 - 生物医学工程探索课程节选

So even if we had a transportation system as nice as San Francisco,

所以即使我们有旧金山那样好的交通系统，

大众交通枢纽 - SpeakingMax英语口语达人

We propose strategies for measuring individual contributions to the risk to the system as a whole.

FORBES: Get Briefed: Thomas Cooley

SunPower plans to offer a 2.5-kilowatt system as part of its marketing campaign with Ford.

FORBES: Ford To Market Focus Electric With SunPower Gear

Studying health care in the criminal justice system as it relates to black inmates.

CNN: Report sees 'sobering statistics' on racial inequality