It will require us to remember that we did not get to where we are as a nation by standing pat in a time of change.

我们应该牢记，我们作为一个国家取得这样的成就，是因为我们在变革的时期没有故步自封。

youdao

We have already influenced the surface population greatly with our contributions in the distant past, and we intend to assist further in the current era, as we are now in a time of change.

我们通过自己在努力，在遥远的过去已经极大影响了地面的人们，计划进一步支持当前时代，因为这是个转变的时代。

youdao

If you're in a period of change or just feeling stuck and in a rut, now may be a good time.

如果你正处于一个变化期，或者只是感到困顿和陷入困境，现在可能是一个好时机。

youdao

These incidents took place during a time of intense social and political change in the United States.

VOA: special.2010.02.25

But luckily for us, there's a classical equation of motion that will, in fact, describe how the electron and nucleus change position or change their radius as a function of time.

但幸运的是，有一个,经典方程描述了电子和核子,位置或者它们直接的距离是,如何随时间变化的。

麻省理工公开课 - 化学原理课程节选

Senator Kerry said the time had come for a change in U.S.strategy toward Pakistan, with the aim of appealing to the hearts and minds of the Pakistani people.

VOA: standard.2009.05.04

And in a time of change, he has two other very important qualities: an insatiable curiosity to understand the world around him, and a willingness to hear other views, even those who disagree with him.

CNN: Clinton: Time again to choose a more perfect union

Our differences are in how we can best achieve these things in a time of unprecedented change.

CNN: Clinton: Time again to choose a more perfect union

Being flat-footed in a time of great change is extremely risky.

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