river valley
The flood overflowed the valley.
洪水淹没了河谷。
—— 给力词典精选We pitched camp in a river valley.
我们在河谷安营。
—— 给力词典精选Most road bridges have piers rising out of the vally.
很多公路桥的桥墩是从河谷里建造起来的。
—— 辞典例句A new dam is now being built at the valley.
河谷里正在建一座新水坝。
—— 辞典例句All valley deposits are subject to repeated erosion, transportation and redeposition.
所有的河谷沉积物都容易受到重复的浸蚀, 搬运和再沉积。
—— 辞典例句