在当今世界，几乎每个人都知道空气污染和水污染对人们的健康有害。
In today's world, almost everyone knows that air pollution and water pollution are harmful to people's health.
空气污染对我们的健康有害。
这种烹饪和取暖做法会造成高度室内空气污染，产生大量对健康有害的污染物，包括可渗透到肺部深处的烟尘微小颗粒。
Such cooking and heating produces high levels of indoor air pollution with a range of health-damaging pollutants, including small soot particles that penetrate deep into the lungs.
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