When carbon unites with oxygen, it forms a colorless, odorless, and tasteless gas called carbon dioxide, which is heavier than air and will extinguish a flame.
当碳与氧结合形成一种无色、无味、无嗅的气体叫做二氧化碳，它比空气重，可以灭火。
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.
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。
Flash fire - the combustion of a flammable gas or vapor and air mixture in which the flame propagates through that mixture in a manner such that negligible or no damaging overpressure is generated.
暴燃-可燃气体或蒸汽及空气混合物的燃烧，火焰通过混合物传播，产生了可以忽略的超压或不会造成损坏的超压。
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