If the immune system weakens at any point, they begin to spread and then attack.
VOA: special.2009.03.25
There's no point where the circulatory system crosses the boundary between being inside you and outside of you, it's totally internal.
循环系统绝不会,跨越人体的内外界限,它完全位于体内
They can buy into it if they buy into a $15,000 point-of-sales system.
他们可以买入这些数据0,比如价值15000美元的销售网点系统。
And I think that our challenge and the country's challenge is to get to the point where we can afford the healthcare system that we have in our country."
VOA: standard.2010.02.25
I'm using it just to make the point, which you already know about; that the nervous system is complex in it performs a complex set of functions.
我想通过这张图片阐述一些,你们已经知道的知识,即神经系统是一个,功能复杂的复合体
Insurance companies would no longer be allowed to deny health coverage based on pre-existing medical conditions a key point of weakness in and public anger with the current system.
VOA: standard.2009.07.21
That was the point I was trying to illustrate in the nervous system.
这才是我在讲解神经系统时,想极力说明的问题
Later this week, Mr.Obama will be able to point to another legislative accomplishment when he signs sweeping financial-system regulatory reform legislation he has battled for since coming to office.
VOA: standard.2010.07.19
It certainly has stabilized the financial system at this point.
VOA: standard.2009.03.18
President Obama said the current system has led the country to a breaking point, imposing hardships on middle-class Americans who struggle to pay for health care, who are unable to obtain it.
VOA: standard.2009.09.10
This part of the Illinois River near Morris is several miles southwest of the electronic fish barrier, a critical point along the Illinois waterway system meant to stop the Asian Carp from reaching Lake Michigan.
VOA: standard.2010.07.19
应用推荐