这是一个转折点。

This was a turning point.

youdao

你是否认为这是一个转折点？

Do you think that was the turning point?

youdao

“我意识到这是一个转折点，”赫斯特回忆道。

"I noticed a turning point," Hurst recalled.

youdao

They had been planning to rewrite their Constitution an extraordinary turning point in Southern history.

他们已经计划重写他们的宪法,这是南方历史上一个非凡的转折点

耶鲁公开课 - 美国内战与重建课程节选

This is a shift, this is a new topic that we're starting.

这是一个转折点，我们要讨论一个新的话题。

麻省理工公开课 - 化学原理课程节选