Unlike deep sea diving, where depth and uncontrolled ascent are the great dangers, the peril of cave diving is disorientation.
不相似的深海潜水,在那里的深度是不能控制的,存在很大的危险,但是洞穴的潜水是容易失去方向。
Unlike deep sea diving, where depth and uncontrolled ascent are the great dangers, the peril of cave diving is disorientation.
不相似的深海潜水,在那里的深度是不能控制的,存在很大的危险,但是洞穴的潜水是容易失去方向。
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