quantum leap
柯林斯词典
1. →see quantum
返回 quantum leap
quantum leap (also quantum jump)
剑桥词典
- a great improvement or important development in something
飞跃，重大进展
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。 返回 quantum leap