1. 山谷;（尤指）溪谷
A valley is a low stretch of land between hills, especially one that has a river flowing through it.
e.g. ...a wooded valley set against the backdrop of Monte Rosa.
罗莎峰背后树木繁茂的山谷
e.g. ...the Loire valley.
卢瓦尔山谷
名词流域；山谷；峡谷；谷地网络溪谷；河谷；瓦利