melt.down
n.(名词)Severe overheating of a nuclear reactor core, resulting in melting of the core and escape of radiation.熔炉:由熔解原子核及辐射的释放引起的原子核反应之极度过程Informal A situation likened to the melting of a nuclear reactor core:【非正式用语】 灾难:被比作原子反应核熔化之情况:例句:.After several corporate meltdowns, only two reporters remain in[the] bureau. (David Fitzpatrick).经历了几次灾难之后, 分局只剩下了两名记者. (戴维·菲茨帕特里克)