The caves often lay on valley slopes and provided excellent views of animal migration routes.
这些洞穴通常都是位于山谷的斜坡，它是个观察动物移动路线的绝佳地方。
Colluvial deposits at the foot of valley slopes usually affect only narrow strips of valley bottom.
河谷坡脚处的崩积体通常只影响到谷底较窄的地带。
There is no mechanism for going downhill, for crossing the valley to the lower slopes of the high mountain on the other side.
没有下山的机制，或者穿过峡谷到达高山另一边的缓坡的机制。
The plenty of loose solid materials, precipitous slopes, and the freguenf rain storms, are the main reasons for the formation of the debris flow in the valley.
刘黄沟流域内具有丰富的土砂石块和陕峻的地形，又遇有暴雨，是发生泥石流的原因。
The higher slopes grew dark with heather. Patches of rougher and more bristling green appeared in the valley.
高高的山坡上长出了颜色暗淡的石南属植物，河谷里旨出了一片片毛茬茬的粗糙不平的绿色。
The higher slopes grew dark with heather. Patches of rougher and more bristling green appeared in the valley.
高高的山坡上长出了颜色暗淡的石南属植物，河谷里旨出了一片片毛茬茬的粗糙不平的绿色。
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