During dusty weather the strong wind brings sand-dust but blows chemical pol. 本文闡述了北京沙塵天氣的總體概況。
The dust weather, which encroaches on Beijing many times in recent years, is detrimental to people's life and health. 摘要近年來(lái)，北京多次受到沙塵天氣侵擾，給居民的生活和健康帶來(lái)不利影響。
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