The stream joins the big river at the foot of a hill.

小溪在小山脚下并入大江。

《新英汉大辞典》

I find myself at the foot of a hill.

我在一座小山脚下发现了自己。

youdao

I found myself at the foot of a hill.

我在一座小山的山脚发现了自己。

youdao

The GSM Association, which organizes the shows, expects more than 70, 000 attendees, and the demand for exhibit space has forced a move from the historic conference center at the foot of the Montjuic hill to a larger, more modern venue further from the city center.

NPR: Wireless Show Expected To Draw Crowds To Barcelona

Armed with his patents and financing from Crocker First National Bank in California he established a small laboratory in San Francisco on Green Street, at the foot of Telegraph Hill.

FORBES: Channeling Philo

Bishops Cleeve, which lies at the foot of Cleeve Hill, the highest point in the Cotswolds, and Gotherington, are less than a mile apart.

BBC: Bishops Cleeve