英语词汇“quantum leap”是什么意思，“quantum leap”的读音、用法及例句翻译-乐坝网

词汇	quantum leap
释义	quantum leapn.（名词） An abrupt change or step, especially in method, information, or knowledge:突飞猛进：突然的变化或进步，尤指在方法、信息或知识方面的："War was going to take a quantum leap; it would never be the same"(Garry Wills)“战争将发生重大变化；它再也不同先前了”(加里·威尔斯)
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