医疗专家能够支持一些机构，比如美国肺病协会和美国胸科学会，当他们致力减少环境污染。
Health professionals can support organizations, such as the American Lung Association and the American Thoracic Society, as they endeavor to reduce air pollution.
医疗专家能够支持一些机构，比如美国肺病协会和美国胸科学会，当他们致力减少环境污染。
Health professionals can support organizations, such as the American Lung Association and the American Thoracic Society, as they endeavor to reduce air pollution.
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