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。
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。
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。
Smog is a mixture of smoke and fog.
烟雾是烟和雾的混合物。
Forest fire smoke is a complex mixture of particles, liquids and gaseous compounds.
森林火灾烟气是一种包含固体颗粒、液体和气体化合物的复杂混合物。
First, the paper puts forward a smoke-puff trajectory model in which topography, deposition, chemical elimination and reflex effects within the mixture layer have been taken into consideration.
在模式中考虑了地形、沉积、化学衰减和混合层顶多次反射等影响因素的作用。
Scientists have found out that town fog is a mixture of gas, smoke and tiny drops of water.
科学家已发现，城市的雾是气体、烟和微小水珠的混合物。
Secondhand smoke, also known as environmental tobacco smoke (ETS), is a mixture of the smoke given off by the burning end of a cigarette, pipe or cigar and the smoke exhaled from the lungs of smokers.
二手烟，又被称为环境香烟烟雾(ets)，是由香烟，烟斗，雪茄，或是吸烟者肺部发散出来的烟雾混合体。
The results showed that, when the mixture was used to the diesel engine with swirl chamber the engine performance including fuel economy and smoke emission could be improved remarkably.
试验结果表明，当这种喷油器运用于涡流室式柴油机时，可以起到降低发动机燃油消耗与排气烟度的作用；
The results showed that, when the mixture was used to the diesel engine with swirl chamber the engine performance including fuel economy and smoke emission could be improved remarkably.
试验结果表明，当这种喷油器运用于涡流室式柴油机时，可以起到降低发动机燃油消耗与排气烟度的作用；
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