breakthrough

Researchers announced a major breakthrough in cancer treatment using targeted gene therapy.

(Chinese) 研究人员宣布在利用靶向基因疗法治疗癌症方面取得了重大突破。

The peace talks reached a breakthrough when both sides agreed to a temporary ceasefire.

(Chinese) 当双方同意临时停火时，和平谈判取得了突破性进展。