名詞流域；山谷；峽谷；谷地網(wǎng)絡(luò)溪谷；河谷；瓦利
名詞
1. The road gradually widened until we found ourselves in a large valley.
路漸漸寬了起來，最后我們走進(jìn)了一個大的山谷。
1. 峽谷：你可以用三種不同的方式來瀏覽這個紅色星球:1)火星的高低立視圖(elevation map),我們用不同顏色標(biāo)注了上面的山峰 (peak) 和峽谷 (valley祝你的火星之旅開心!
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.
羅莎峰背后樹木繁茂的山谷
e.g. ...the Loire valley.
盧瓦爾山谷