焚烧含氯的材料可以产生二恶英和呋喃2，它们是人类致癌物，并与一系列不良健康反应有关。

Incinerated materials containing chlorine can generate dioxins and furans2, which are human carcinogens and have been associated with a range of adverse health effects.

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制备食品时的烟熏和直接干燥工序在燃烧过程中形成的部分多环芳烃可能是人类致癌物。

Parts of PAH are possible human carcinogens formed during the combustion of fuel both in the smoking and in the direct drying processes involved in the preparation of food.

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他们说，手机对人类来说，是一种可能的致癌物。

They say that it's a possible carcinogen for humans.

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