长达三年的研究最终在一篇重要的科学论文中达到了顶峰。

The three-year research ___culminated in a significant scientific paper.

三年的努力最终以这场完美的演出达到高潮。

Three years of hard work ___culminated in this perfect performance.

多年的辛勤努力在这次成功的项目展示中达到了顶峰。

Years of hard work ___culminated in this successful project presentation.