But,something would intervene that would change the direction of Winslow Homer's artistic work.

VOA: special.2010.07.25

And, you know acceleration means either change of speed or change of direction.

你知道加速度意味着,不是改变速度就是改变方向。

麻省理工公开课 - 固态化学导论课程节选

That tells us the direction of spontaneous change for ordinary processes, chemical processes, mixing and you name it, under conditions that are easy to achieve in the lab.

这个物理量告诉我们在实验室,能够实现的条件下通常的过程，化学过程，混合以及你所能想到的过程，自发进行的方向。

麻省理工公开课 - 热力学与动力学课程节选

Sort of direction of spontaneous change.

自发过程的方向。

麻省理工公开课 - 热力学与动力学课程节选