Toxic smoke from wildfires returns to Moscow.
有毒烟雾再袭莫斯科。
If there's smoke in the cabin, get low and crawl below the level of the smoke and toxic fumes, so you can breathe until you get out of the plane.
如果机舱里有烟雾，把身体放低到烟雾与有毒气体的下面爬行，这样你能在你离开飞机前保持呼吸。
Experts think the toxic chemicals in smoke can damage the DNA in hair follicles and generate cell-damaging free radicals as well.
专家们认为香烟中的有毒化学物质灰损害毛囊中的基因，同时产生破坏细胞的自由基。
Secondhand smoke from cigars contains the same toxic chemicals that secondhand cigarette smoke does.
来自雪茄的二手烟与来自香烟的二手烟一样含有同样的有毒化学物质。
Tobacco smoke causes' immediate damage ', with each puff circulating hundreds of toxic chemicals to most of your organs.
烟草产生的烟雾会导致“即刻的损伤”，因为每一次呼气都会将上百个有毒的化学成分散布到你的器官。
Tobacco smoke contains over 4,000 chemicals, many of which are highly toxic and over 40 of which are known to cause cancer.
香烟中含有超过4000种化学物质，其中大部分毒性很强，有超过40种会导致癌症。
The smoke in an airplane fire can be very thick and highly toxic, so cover your nose and mouth with a cloth to avoid breathing it in.
机舱起火会产生具有高浓度和高毒性的烟雾，因此要捂住口鼻防止吸入过量烟雾。
This paper was aimed to study the toxic mechanism and anti-cyanide measures to hydrogen cyanide (HCN) in fire smoke.
本文主要对氰化氢气体在火灾烟雾中的毒性及其抗氰救治措施进行研究。
The fireproof polyolefin composition has excellent fire retarding performance, safety performance and mechanical performance, and produces no toxic gas and less smoke during combustion.
采用本发明，燃烧时不会产生有毒气体，烟密度低，材料的阻燃性能、安全性能和力学性能优良。
At least 69 of the toxic chemicals in secondhand tobacco smoke cause cancer.
二手烟中至少69种有毒化学物质会导致癌症。
The perinatal exposure to environmental cigarette smoke may develop toxic effects on brain development and incurs events like Sudden Infant Death Syndrome.
同时也发现，胎儿期暴露于环境香烟烟气中，可能对大脑发育产生毒性作用，并且引起新生儿猝死综合征。
It makes the streets filled with garbage, the air was filled to see smoke, a toxic pesticide residues in food.
它使街头堆满了垃圾，空气中弥漫看烟雾，食品中残留着有毒农药。
Reducing of oxygen concentration, smoke that obscured vision and toxic gas inhalation are three major factors that cause people in fire unable to escape and result in the suffocation deaths.
火场氧浓度降低、大量烟气遮挡视线和吸入毒性气体是造成火灾中人员无法逃生而窒息死亡的三大主要因素。
He has found that smoke and toxic gases can be transported swiftly up through the atrium.
他发现烟和毒害性气体可通过中庭迅速向上传播。
Biomass smoke contains lots of toxic and harmful substances which may impact the health of human.
生物质燃料烟雾中含有大量有毒有害物质，对人体的呼吸系统等造成不良影响。
Biomass smoke contains lots of toxic and harmful substances which may impact the health of human.
生物质燃料烟雾中含有大量有毒有害物质，对人体的呼吸系统等造成不良影响。
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