melt down

melt down汉语翻译：
熔化
【机】 熔化期英语解释：
名词 melt down:

severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping同义词：meltdown, nuclear meltdown

a disaster comparable to a nuclear meltdown同义词：meltdown

reduce or cause to be reduced from a solid to a liquid state, usually by heating同义词：melt, run