这是彼得大帝，一个非常重要的转折性成就。

This is an extraordinarily important and transforming accomplishment of Peter the Great.

youdao

冷战后，国际安全形势发生了前所未有的转折性变化。

After the Cold War, a transitional change had happened in the international security.

youdao

就国际层面而言，1959年是电影历史中具有转折性的一年。

Internationally, 1959 was a watershed year in film history.

youdao

What...even if there was no single event, what would you say happened... what was the role of government ? for example, in the sudden growth?

即便没有什么转折性大事件，您觉得是什么原因。,比如说在这次经济腾飞中,印度政府扮演了什么样的角色？

普林斯顿公开课 - 国际座谈会课程节选

This is an extraordinarily important and transforming accomplishment of Peter the Great.

这是彼得大帝,一个非常重要的转折性成就

耶鲁公开课 - 欧洲文明课程节选