The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart.

美国肺脏协会（ALA）已经发布了对抗感冒和流感的新指南，其重要意义之一是能够快速地将两者区分开来。

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Things are not as bad as they once were but, according to the American Lung Association, Los Angeles is still the worst city in the United States for levels of pollutants.

虽然现在的情况不像以前那么糟糕，但是根据美国肺脏协会的数据，洛杉矶仍然是美国污染物水平最高的城市。

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According to the American Lung Association, 35 percent of American children live in homes where regular smoking occurs.

根据美国肺脏协会，35%的美国儿童的家庭中有人经常吸烟。

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The American Lung Association said Pittsburgh was last in the nation in one of three measures of air quality.

VOA: special.2009.07.13

In two thousand five, he successfully completed the American Lung Association Open Airways for Schools Program.

VOA: special.2009.07.28

The American Lung Association says half of the fifty states have passed smoke-free laws.

VOA: special.2009.05.27

That's according to the American Lung Association's (ALA) just-released report 2011 State of the Air.

FORBES: Magazine Article

The American Lung Association (ALA) just released its annual State of the Air report.

FORBES: List: America's Most Polluted Cities

Four in 10 Americans live in counties with dangerous levels of either ozone or particle pollution, according to the American Lung Association.

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