形容一个东西在山脚，用什么介词？用英语怎么说？

down the hill 在山脚

at the foot of the mountain在山脚下

of the mountain 在山脚下

At the foot of 在山脚下

The house is at the foot of a hill.
房子在山脚下。

The village is at the foot of the mountain.
村子在山脚下。
They pitched at the foot of the mountain.
他们在山脚下扎营。
6. We camped at the base of the mountain.
我们在山脚下扎营。
7. The hotel was set down at the bottom of the valley.
这个旅馆安置在山脚下。
8. The young pioneers camped at the foot of the mountain.
少先队员们在山脚下露营。
9. We camped at the foot of some hills.
我们在山脚下扎营/露营。
10. The mountaineering party took up its quarters at the foot of the mountain.
登山队在山脚下驻扎下来。

at the foot of
在…（山）脚下；在…的下部

at the foot of the hill