If a binary includes a White Dwarf, gas pulled from a companion onto the White Dwarf's surface can fuse violently in a flash called a nova.

如果一个双星系统包含一个白矮星，从伴星上抽离的气体会落在白矮星的表面，在一瞬间引发猛烈的聚变反应，即新星。

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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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The liquid in the pipeline under certain conditions and partially vaporizes into gas state, bubble, formation of gas-liquid two-phase flow which is the process of flash.

管道中的液体在一定的条件下，部分液体气化成气体状态，产生气泡，形成气液两相流这就是闪蒸过程。

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Yousif said police descended on the mourners and fired tear gas, flash-bang grenades and birdshot.

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The fire ignited after authorities threw flash grenades and tear gas into the apartment to try to flush the shooter out, Stanislaus County Sheriff Adam Christianson told reporters.

CNN: STORY HIGHLIGHTS

Afterwards, police fired tear gas and "flash bang" grenades near the main plaza, where Occupy Wall Street protesters have been camping.

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