柯林斯詞典quantum leap (also quantum jump) 1. →see quantum 返回 quantum leap劍橋詞典a great improvement or important development in something 飛躍，重大進展 The appointment of a female director is a quantum leap for women's equality . 任命一名女侷長從男女平等方麪來說是個大飛躍。 返回 quantum leap