1.for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
因为无法预见到洞穴探险者究竟会遇到什么性质的困难。
2.Since its discovery , it has become a sort of pot-holer's Everest (Qomolangma).
自从这个洞被发现以后，它就成了洞穴探险者的珠穆朗玛蜂。
3.It is impossible to give a satisfactory explanation for a pot-holer's motives.
要想对洞穴探险者的动机作出满意的解释是不可能的。
4.Curiosity alone cannot make a pot-holer.
仅有好奇心是不能成就一个洞穴探险者的。
5.which will confront the pot-holer.
将会遇到什么性质的困难。
6.Requirement: 1. College diploma holer or above. 2. CET4 diploma holder or above.
要求：1。大专或以上学历。2。英语四级以上水平，英文读说写流利者尤佳。