The cave narrowed after a while, but we were able to continue through a narrow gap by crawling into a water-filled fissure in the rock.

爬了不久，山洞变得越来越窄，爬过一条满是水的岩石裂缝，穿过狭窄的山口，我们得以继续前行。

youdao

The white rock, visible enough above the brush, was still some eighth of a mile further down the spit, and it took me a goodish while to get up with it, crawling, often on all fours, among the scrub.

露出灌木丛的白色岩壁依旧在下面大约远离八分之一英里的沙尖嘴上。我花了好些时间才爬到那里，我往往手脚并用地在树丛中潜行。

youdao

This is how ridiculous it gets: Our tester had skid plates for the front differential and transfer case which would protect these components in severe, rock-crawling conditions and perilously exposed chrome wheel-to-wheel step bars.

WSJ: 2013 Ram Laramie Longhorn Review: A Truck That Jingle Jangle Jingles