这些有毒气体不仅会使动物造成了窒息，而且对照射到地球表面的阳光产生了严重阻挡。
The gas would have the dual effect of choking air-breathing animals and preventing sunlight from reaching Earth's surface.
火灾中大部分人不是被烧死的，而是因缺少氧气窒息而死或是吸入如一氧化碳、二氧化碳、氯化氢等有毒气体而被毒死的。
The majority of people who die in fires don't die from burns, but rather they suffocate due to the lack of oxygen and inhale toxic gases such as carbon monoxide, carbon dioxide and hydrogen cyanide.
火灾中大部分人不是被烧死的，而是因缺少氧气窒息而死或是吸入如一氧化碳、二氧化碳、氯化氢等有毒气体而被毒死的。
The majority of people who die in fires don’t die from burns, but rather they suffocate due to the lack of oxygen and inhale toxic gases such as carbon monoxide, carbon dioxide and hydrogen cyanide.
今年6月17日，一项禁止在战争中使用窒息性或有毒气体以及细菌生物攻击的国际条约，《日内瓦公约》将迎来它的80岁生日。
This year, on 17 June, the Geneva Protocol, an international treaty prohibiting the use of asphyxiating or poisonous gases and bacteriological methods of warfare, turned 80 years of age.
在海拔2250的高空，空气十分的稀薄；白天，人们熟知的棕色“毒气”沉降到城市里，令人窒息。
At its altitude of 2, 250m the air is already thin; on days when the toxic "cream", as the familiar brown cloud of pollution is locally known, descends on the city, it is hard to breathe.
窒息剂，窒息原因导致窒息的物质，如有毒气体，或一事件，如溺水。
A substance, such as a toxic gas, or an event, such as drowning, that induces asphyxia.
它能使任何接触到的物质结冰(包括你的眼睛)，它比空气重，会使你窒息而死，当遇到明火时，它会释放出有毒气体。
It can freeze whatever it contacts (including your eyes), it is heavier than air and can suffocate you, and it produces a poisonous gas when it comes in contact with an open flame.
同时发烟量大，在火灾中燃烧物产生大量浓烟使火灾中的大多数人员被有毒气体和烟雾熏倒窒息而身亡。
At the same time, they issued smoke, inflamer produce a great lot of smother, so in fires, majority people got gas poisoning and asphyxiate and died.
聚氨酯泡沫塑料是一种高分子合成材料，应用范围十分广泛，但聚氨酯泡沫塑料在火灾时能放出使人窒息死亡的毒气，特别是近年来已在一些场所造成重大的人员伤亡事故。
The urethane foams is a kind of high molecular synthetic material and can be used widely. But being burned, it can get out the poisonous gas and results in some accidents with heavy losses of lives.
聚氨酯泡沫塑料是一种高分子合成材料，应用范围十分广泛，但聚氨酯泡沫塑料在火灾时能放出使人窒息死亡的毒气，特别是近年来已在一些场所造成重大的人员伤亡事故。
The urethane foams is a kind of high molecular synthetic material and can be used widely. But being burned, it can get out the poisonous gas and results in some accidents with heavy losses of lives.
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