But with half the world's limestone still to be explored, 但世界上仍有一半石灰岩洞尚未被开发
Extremofile bacteria were found to be feeding on the rock itself. 嗜极细菌在岩壁上自我生长
Little did they realise that Lechuguilla would soon be regarded by cavers the world over as the most beautiful of all caves. 不久他们便意识到龙舌兰洞很快就会 被全世界的洞穴专家公认为地球上最美丽的洞穴
But even that was not going to be the biggest surprise. 即便如此 这也不能算是最大的惊奇
It takes thousands of generations for eyes to be lost, 眼睛的退化需要经历数千代的演变
There may well be less than a hundred Texas cave salamanders in the wild. 世界上可能只有不到100只 野生洞栖童态河溪螈
seems to be restricted to just two small caves. 可能只存在于两个较小的洞穴中
The strikes seem to be largely hit-and-miss, 这种攻击更像是在碰运气
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