Countries can no longer depend on mountain barriers for protection.
国家不能再依靠山构成的界线来防御了。
Inland from the coast, the winds from the Pacific meet the mountain barriers of the coastal ranges and the Rocky Mountains.
来自太平洋的、从海岸向内陆的风遇到海岸山脉和落基山脉这些山脉屏障。
Because of the mountain barriers, the weather there is extremely dry. It has a typical geomorphology of dry wind erosion and wind deposit.
盆地四周被高山环绕，封闭得严严实实，气候极端干旱，干燥的风蚀和风积地貌发育十分典型。
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