洞穴探险需要安全帽？我们哪来的安全帽呀？
一个洞穴探险者卡尔斯巴德的成比例的模型。
要对洞穴探险者动机作出满意解释是不可能。
It is impossible to give a satisfactory explanation for a potholer's motives.
去进行洞穴探险。
最近，一队洞穴探险者下到了高弗。伯杰洞里。
最近，一队洞穴探险者下到了高弗。伯杰洞里。
进入奈卡洞穴探险需要除工业用水泵外更多的防护。
Exploring the Naica caves requires more than just industrial strength water pumps.
要想对洞穴探险者的动机作出满意的解释是不可能的。
It is impossible to give a satisfactory explanation for a pot-holer's motives.
要对洞穴探险者的动机作出满意的解释是不可能的。
It is impossible to give a satisfactory explanation for a potholer's motives.
要想对洞穴探险者的动机做出满意的解释是不可能的。
It is impossible to give a satisfactory explanation for a pot-holer's motives.
图为洞穴探险家们在黑手洞里奇幻苍白的石灰岩中穿行。
Cavers pass surreally shaped pale limestone formations inside Black Hands Cave.
他连基本的注意事项都不清楚就去洞穴探险简直是疯了。
He must be crazy to go spelunking without knowing the basic DOS and don 'ts of it.
探索未知洞穴，航行于地下暗河使得洞穴探险分外刺激。
Exploring unknown caverns and navigating underground rivers is what makes caving so thrilling.
假如你遇到困难，可以去找我那些洞穴探险俱乐部的朋友。
If you have any difficulty, go to my friends in the pot-holing club.
石灰岩薄弱处被河水冲刷差距的陡坡处水量激增，为洞穴探险带来相当的挑战。
A weakness in the rock can allow the river to increase its gradient and flow-rate, providing a real challenge for the cave explorers.
对洞穴探险者来说，洞穴有一种特殊的魅力，就像高山对登山者有特殊魅力一样。
For him, caves have the same peculiar fascination which high mountains have for the climber.
对洞穴探险者来说，洞穴有一种特殊的魅力，就像高山对登山者有特殊的魅力一样。
For him, caves have the same peculiar fascination which high mountains have for the climber.
做出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。
Precautions of this sort are necessary, FOR it is impossible to FORetell the exact nature of the difficulties which will confront the pot-holer.
门外是马绍尔(MarshallHumphreys)，问我有没有准备好进行洞穴探险。
It was Marshall Humphreys, asking if I was ready for my cave tour.
去哪里：洞穴探险危险系数可能会很高，所以要咨询当地的旅行社并与专业洞穴探险者一同前往。
Where to find: caving can be very risky, so consult local travel agents and go in groups with professional cavers.
快速清单其活动范围从野营，以漂流，攀岩，以洞穴探险，野外生存，以捕鱼，最近，瀑布下降。
A quick list of their activities ranges from camping to rafting, climbing to cave exploring, field survival to fishing, and most recently, waterfall descending.
对洞穴探险者来说，洞穴有一种特殊的魅力，就像高山对登山者有特殊魅力一样。 划线处类比说明。
For him, caves have the same peculiar fascination which high mountains have for the climber.
很难相信几天前我才刚完成了南非克鲁格公园的跋涉之旅，而此刻却允许恐惧阻止我完成这次洞穴探险。
It was hard to believe that after completing a trek through Krueger Park, South Africa, just days before, I had allowed fear to prevent me from finishing the spelunking expedition.
去进行洞穴探险。联系北威尔士探洞俱乐部。他们每周组织一次旅行，潜在重大发现的可能和矿藏勘探的意义。
Go cave exploring. Contact North Wales Caving Club, which organises weekly trips with the potential for significant new discoveries as well as mine explorations.
去进行洞穴探险。联系北威尔士探洞俱乐部。他们每周组织一次旅行，潜在重大发现的可能和矿藏勘探的意义。
Go cave exploring. Contact North Wales Caving Club, which organises weekly trips with the potential for significant new discoveries as well as mine explorations.
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