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Valleys Guide Rivers and Roads
河谷引导河流与道路
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Valleys are low areas between hills or mountains.山谷是山丘或山脉之间的低洼地带。
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Rivers naturally flow through valleys over long time.河流经长期自然作用流经山谷。
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People build roads and railways along valley floors too.人们也在谷底修建道路和铁路。
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Valleys connect places and help movement across rough land.山谷连接各地，助力穿越崎岖地形的通行。
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Some valleys hold rich farmland thanks to river soil.一些山谷因河流冲积土而拥有肥沃农田。
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Valleys shape how humans use space in mountain regions.山谷塑造了人类在山区的空间利用方式。
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They link highlands with lowlands in many countries.它们在许多国家连接高地与低地。
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Valley patterns reveal how land and water work together.山谷格局揭示了土地与水体的协同作用。