【双语有声阅读】沙尘暴(3)

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Although traveling dust storms are nothing new, the dust now often contains chemical or metallic¹ substances that contribute to respiratory illnesses and damage the environment. At present, a group of researchers in Asia is studying aerosol² particles and their effects on the environment—and they have plenty of dust to work with.

 

虽然移动的沙尘暴没什么稀奇，但现在那些沙尘通常含有引起呼吸道疾病和破坏环境的化学或金属物质。现在亚洲有一批研究人员正在研究悬浮颗粒及其对环境的影响──他们要研究的沙尘可多着呢！

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