melt·down
noun/ˈmeltdaʊn/
/ˈmeltdaʊn/
[uncountable, countable]- a serious accident in which the central part of a nuclear reactor melts, causing harmful radiation to escape
熔化（核反应堆堆芯熔化导致有害辐射泄漏的严重事故） - (economics) a situation where something fails or becomes weaker in a sudden or dramatic way
崩溃；垮台 - in meltdown The country is in economic meltdown.
该国的经济处于崩溃状态。 - a meltdown on the New York Stock Exchange
纽约股票市场的崩盘
- in meltdown The country is in economic meltdown.