1.山谷;(尤指)溪谷
Avalley is a low stretch of land between hills, especially one that has a river flowing through it.
e.g. ...a woodedvalley set against the backdrop of Monte Rosa.
罗莎峰背后树木繁茂的山谷
e.g. ...the Loirevalley.
卢瓦尔山谷
1. 峡谷:你可以用三种不同的方式来浏览这个红色星球:1)火星的高低立视图(elevation map),我们用不同颜色标注了上面的山峰 (peak) 和峡谷 (valley祝你的火星之旅开心!