| 词汇 | quantum leap |
| 释义 | quantum leap noun [ C usually singular ] uk/ˌkwɒn.təm ˈliːp/ us/ˌkwɑːn.t̬əm ˈliːp/ 飞跃，重大进展 a great improvement or important development in something The appointment of a female director is a quantum leap for women's equality. 任命一名女局长从男女平等方面来说是个大飞跃。 |
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