hill是可数名词。
复数: hills
A truck ran out of control on the hill.
一辆卡车在山上失去了控制。
Can you find Black Hill on the map?
你能在地图上找到布莱克山吗?
The procession made its way down the hill.
队伍走下山了。
When parking on a hill, leave the car in gear.
在斜坡上停车时把汽车挂上挡。