These base camps were used by the PKK guerrillas to make forays into Turkey.
《柯林斯英汉双解大词典》
2
他独自从第四基地营到峰顶,且是世界上第二个未使用氧气筒到达峰顶的人。
He went alone from Camp IV to the summit and was only the second person in the world to reach the summit without oxygen.
3
月球上有丰富的水,可以使为太空人建立基地营比较容易,因可提供饮用水和火箭燃料的一种成分。
Having an abundance of water on the moon would make it easier to set up a base camp for astronauts by providing drinking water and an ingredient for rocket fuel.