一个洞穴探险者卡尔斯巴德的成比例的模型。
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.
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.
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.
此外，洞穴探险也是项十分健康的运动，因为那里通常氧气含量较高，所以基本上你还可以额外享受一次氧气spa。
Plus, caving can be a very healthy sport, for the oxygen level is usually higher so basically you are having an oxygen spa as the bonus.
探险家们甚至需要戴上特殊的面具来保护自己不受洞穴里气体的伤害。
Explorers even need to wear special masks to protect themselves from the gases in these caves.
迷人的海滩和洞穴等你去探险。
洞穴中一根垂挂着流石的巨大石柱俯瞰着游向HangKen洞深处的探险者们，这个洞穴是去年在越南新发现的20个洞穴之一。
A giant cave column swagged in flowstone towers over explorers swimming through the depths of Hang Ken, one of 20 new caves discovered last year in Vietnam.
一位探险者绳降进入到阿曼的马吉里斯尔金洞穴。
探险者们花费时间去勘察黑暗洞穴，被诅咒的废墟，地下墓穴以及其它危险和禁地。一些细心的深谋远虑可以在探险中帮助角色。
Adventurers spend time exploring dark caverns, cursed ruins, catacombs, and other dangerous and forbidding areas. A little careful forethought can help the characters in their adventures.
史密森协会否认了之前所有的发现，而且为了寻找这个洞穴，一些探险队最后落得空手而归。
The Smithsonian disavows all knowledge of the discovery, and several expeditions searching for the cavern have come up empty-handed.
史密森协会否认了之前所有的发现，而且为了寻找这个洞穴，一些探险队最后落得空手而归。
The Smithsonian disavows all knowledge of the discovery, and several expeditions searching for the cavern have come up empty-handed.
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