melt down片语动词KK [mɛlt daʊn] /mɛlt daʊn/发音片语动词1熔化、熔掉、融化可拆开They melted down the old silver coins to make a bracelet.他们把旧银币熔掉,做成一条手链。2崩溃、失控、发作口语He melted down completely when the audience started laughing.观众一笑,他就彻底崩溃了。3熔毁指核反应炉The reactor could melt down if the cooling system fails.如果冷却系统失效,反应炉可能会熔毁。4崩盘、垮掉口语Global markets melted down within hours of the announcement.消息公布几小时内,全球市场就崩盘了。用这个字练口说→