英语词汇quantum leap怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	quantum leap
释义	quantum leapBrE /ˌkwɒntəm ˈliːp/NAmE /ˌkwɑːntəm ˈliːp/ (also less frequent ˌquantum ˈjump) nouna sudden, great and important change, improvement or development 突变；巨变；飞跃
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