他看着楼梯向下走去。

He looked as he walked downwards the stairs.

陆达顺着战壕向下走去。

Six reach to follow dugout to go beneath.

然后他们朝一个乡间小路向下走去。

Then they walk down a country road.

实际上你需要先向下走，然后越过那个方块，在这个过程中都是围绕角在移动。

And the last square, to the immediate left of the current square, is checked to see if the G score is any lower if you go through the current square to get there.

这种对较重物体的捕获机制--人们觉得重物体会向下走，然而捕获机制会使它们向上--这种机制正是棘轮的本质。

This trapping of heavier objects -- moving them upward when one would expect them to fall down -- is the essence of a ratchet.