quantum leap
01
巨大飞跃, 重大进步
a sudden and significant change, improvement, or increase
正式
习语
例子
The new technology represents a quantum leap in medical research.
这项新技术代表了医学研究的巨大飞跃。
02
(physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum
