Smoke is a mixture of gases, vaporized chemicals, minute particles of ash, and other solids. There is also nicotine, which is a powerful poison, and black tar.

抽烟产生的烟雾是一种混合的气体，包括气化的化学物质，极小的灰末微粒和其它固体，还有毒性很强的尼古丁和黑焦油。

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Smoke is a mixture of gases, vaporized chemicals, minute particles of ash and other solids.

烟是各种气体、蒸发的化学物、微小的灰和其他固体颗粒的混合物。

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This forms a combustible mixture that releases fragrant smoke when burned, and is a powerful producer of particulate matter.

这些形式的混合物在燃烧时释放芳香的烟雾，产生粉末状或颗粒样物质。

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They even smelled alien: of some mixture of smoke and earth, pee and petrol.

NEWYORKER: The Swan

There's a very thick pall of smoke which smells kind of like a mixture of menthol and charcoal because there are quite a few eucalyptus trees in the forest.

NPR: In Portugal Another Season of Forest Fires