小路陡峭地向下延伸至山谷中。

The path ___descended steeply into the valley below.

她小心翼翼地走下那座古老蜿蜒的楼梯。

She carefully ___descended the old, winding staircase.

他下到河堤边去查看水位。

He ___descended the riverbank to check the water level.