the lizards move away from their cracks 蜥蜴离开它们藏身的岩缝
so the kangaroos dig away the warmed topsoil 于是袋鼠刨去灼烫的表层沙土
They're being inexorably chiseled away and turned into more sand. 它们正被无情地凿碎 变成更多的沙粒
They discovered that Lechuguilla's limestone had actually been eaten away by sulphuric acid, 他们发现龙舌兰洞的石灰岩 实际上是被硫酸侵蚀的
Lechuguilla's rock had not been eaten away by running rainwater. 龙舌兰洞中的岩石并非被流水侵蚀
When the nearest exit may be hundreds of metres or more away, 最近的出口可能远在 几百米之外或者更远的地方
Away from the life-giving rays of sunshine 这里远离给予生命的阳光
as each year rainwater eats away a little more limestone. 因为每年雨水都会侵蚀掉少许石灰岩
And over millions of years this acid eats away the limestone 石灰岩经过几百万年的酸蚀作用