And when game moved out of the lowlands in early spring, the expedition decided to return east rather than face possible starvation.
然后，猎物在早春迁徙出低地时，探险队决定返回东部，以免遇到可能出现的饥饿问题。
2
These springs are the sources of streams and rivers, which cut through the rocks and carry away debris from the mountains to the lowlands.
这些泉水是溪流和河流的源头，这些溪流和河流穿过岩石，把山上的碎石带到低地。
3
These people exploited the landscape intensively, foraging on hill slopes for wild cereal grasses and nuts, while huntinggazelle and other game on grassy lowlands and in river valleys.