VOA慢速英语:Chronic Diseases an 'Impending Disaster' for Some Nations

短语讲解：

1. When we think of threats to public health, we often think of communicable diseases.

think of想起, 记起
例句：You're very quiet; what are you thinking of?
你很沉默, 在想什么呢?
public health公共卫生

2. The WHO says the costs of treating non-infectious diseases are pushing millions of people into poverty.

push into推进,推动,推向
例句：We did not intended to push into the wide part, but to hold the narrow leg. 
我们并不打算推进到宽广的内地，而只想坚守那狭窄的靴形地区。 

3. Conditions that last for years are also known as chronic diseases.

be known as以…知名；被认为是
例句：Elephant ancestors are known as the Woolly Mammoth.
大象祖先即长毛猛犸象。
chronic diseases慢性病

4. Aging populations also play a part.

aging populations老年人口
play a part起作用, 扮演一个角色
例句：Childhood experiences often play a big part in shaping one's character. 
童年经历在形成一个人的性格方面往往起重要作用。

5. We cannot wait until we have dealt with HIV, dealt with malaria.

deal with应付, 处理; 对待
例句：They agreed to press for the conference to deal with the problem. 
他们同意敦促大会处理这个问题。 

6. As a matter of fact, one of the major contributors to tuberculosis going up in several countries is because diabetes is going up -- and obesity.

as a matter of fact事实上, 其实
例句：As a matter of fact, I didn't have anything.
事实上, 我什么也没有。

7. Dr. Hospedales says some middle- and low-income countries are beginning to recognize that their health policies must deal more with prevention.

middle- and low-income countries 中低收入国家

8. We estimate in WHO that over thirty million lives can be saved in the next ten years by simple measures -- reducing the level of salt by fifteen to twenty percent, reducing the amount of tobacco, and increasing the number of people who are at risk of a heart attack and stroke to be on simple preventive treatment.

at risk of冒…的危险
例句：He saved three children alive at risk of his life.
他拼命救出了三个孩子。