脚跟

The stream from the mountain slope fretted a channel through the soft earth along the mountain foot.

"山坡上下来的小溪流侵袭着松软的土地,沿着山脚跟形成了一条沟渠。"

My shoe rubbed my heel.

我的一只鞋子硌脚跟。

Johnson back-heeled the ball.

约翰用脚跟把球往后踢去。