In this world without sunlight 在这个没有阳光的世界里

294. strong enough to burn skin.
     酸性强到足以腐蚀皮肤
295. The snotites are, in fact, vast colonies of bacteria,
     “鼻涕石”其实是大型菌落
296. capable of going a centimetre a day.
     每天能长长1厘米
297. In this world without sunlight
     在这个没有阳光的世界里
298. these bacteria extract energy from the hydrogen sulphide gas.
     这些细菌只能从硫化氢气体中吸收能量
299. Bacteria like these are known as extremofile
     像这样的细菌被称为嗜极生物
300. because of their ability to survive in such extreme conditions.
     因为它们能在这种极端环境中生存

来自《行星地球 第一季 第四集 Planet Earth S01E04 洞穴》第 297 行