From the hill we had an excellent prospect of the river valley below.我们从小山上可以看到底下的河谷景色非常美。The house's situation in the river valley is perfect.房子在河谷中的位置极佳。They travelled up the river valley.他们向河流上游地区行进。They journeyed up the river valley.他们往河流上游地区行进。The road followed the deeply cut river valley.这条路沿着深开的河谷一直下去。