1. Since its discovery, it has become a sort of potholers´ Everest.
    自从被发现以后，这个洞成了洞穴探险者的珠穆朗玛峰，

2. Mount Everest is somewhat a pride of the Chinese people.
    珠穆朗玛峰在某种程度上是中国人的骄傲。

3. It is a world of red sandy deserts (hence its name----the Red Planet), cloudless skies, savage sandstorms, chasms wider than the Grand Canyon and at least one mountain more than twice as tall as Everest.
    这是一个红色沙漠的世界（因而得名：红色行星），无云的天空，凶猛的沙暴，比大峡谷还宽的裂缝，起码有一座山有珠穆朗玛峰的近两倍高。