melt down片語動詞KK [mɛlt daʊn] /mɛlt daʊn/發音片語動詞1熔化、熔掉、融化可拆開They melted down the old silver coins to make a bracelet.他們把舊銀幣熔掉,做成一條手鏈。2崩潰、失控、發作口語He melted down completely when the audience started laughing.觀眾一笑,他就徹底崩潰了。3熔毀指核反應爐The reactor could melt down if the cooling system fails.如果冷卻系統失效,反應爐可能會熔毀。4崩盤、垮掉口語Global markets melted down within hours of the announcement.消息公布幾小時內,全球市場就崩盤了。