valley

/ˈvæli/

a long depression in the surface of the land that usually contains a river

中文释义：山谷；流域

The river flows through a narrow valley surrounded by mountains.

河流穿过一个群山环绕的狭窄山谷。

Fertile soil in the valley supports extensive agriculture.

山谷中的肥沃土壤支持着大规模的农业。