- all 100 miles of it.
全长达100多英里 - Cave exploration often requires you to push yourself through narrow gaps in the rock.
洞穴探险需要不时挤过 一些狭窄的岩石缝隙 - Cavers call such places 'squeezes.'
洞穴专家称之为“瓶颈” - The tighter the squeeze,
“瓶颈”越是狭窄 - the greater the chance of damaging some vital life-support system.
便越有可能损坏一些重要的生存设备 - In these conditions a diver could easily become disorientated
在这种情况下 潜水员很容易迷失方向 - and that could be fatal.
而这将导致送命