一条小径沿着山谷蜿而上骀。

A path wound up the valley.

youdao

我们沿着山谷的一侧前进。

We skirted along one side of the valley.

youdao

我把仆人留在那儿，独自沿着山谷走去。

I left him there, and proceeded down the valley alone.

youdao

In the case here, tha t I just illustrated with the little cart going down the valley, would be exactly the same with regular energy, the equilibrium state is one of lowest energy, right.

在现在所考虑的情况下,我刚才所描述的小车沿着山谷下行，结论会像能量判据一样，平衡态是能量最低的态。

麻省理工公开课 - 热力学与动力学课程节选