In my career, I've only probably done that definitively, scientifically four times.

在我的职业生涯中，我可能只有四次通过科学的方法，做出了决定性的结论。

But other scientists say this was a small study that doesn't prove that definitively.

但其他科学家表示这只是一项小型研究，其并未明确证明这一点。

Now, we can't definitively say who will be impacted in this way.

现在，我们无法明确说出谁会受到这种影响。

He has now definitively got brexit done.

他现在已经彻底完成了英国脱欧。

I can say definitively that I like her.

我可以肯定地说，我喜欢她。

And I think we've definitively answered the question.

我认为我们已经明确地回答了这个问题。

But this one, definitively out of a web thingy.

但是在这一部里，绝对是来自某种网。

Can you definitively say Sheryl will stay in her same role?

你能确定地告诉我们，雪莉还能继续担任她目前所在的职位吗？

By the time the dust settled, the reform era was definitively over .

当尘埃落定时，改革时代已经彻底结束。

None of Sheldon's theories have ever been definitively proven.

谢尔顿所有的理论都未获得最终证实。