英语词汇“quantum leap”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	quantum leap
释义	quantum leap noun /ˌkwɒntəm ˈliːp/ /ˌkwɑːntəm ˈliːp/ (also less frequent quantum jump) jump to other results a sudden, great and important change, improvement or development This discovery marks a quantum leap forward in the fight against cancer. There has been a quantum leap in profits since 2015.
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