| Explorers entering this dangerous cave must wear respirators and carry monitors. Poisonous gases rise to fatal levels so quickly that an early warning system is essential. Bats survive by staying close to the skylights, but venturing deep into the cave is very dangerous indeed. The source of these toxic fumes lies several miles below. Hydrogen sulfide gas bubbles up from oil deposits in the earth's crust. It mixes with oxygen in the water, and forms sulfuric acid. These are not the sort of conditions in which you'd expect to find fish, yet these cave mollies seem to thrive despite the acid and the low levels of oxygen. There is, in fact, more life here than anyone would think possible, but the biggest surprise is something altogether more bizarre. | |
| 进入这个危险洞穴的探险者必须戴上呼吸器和监测仪。有毒气体很快会升到致命的水平，所以早期预警系统必不可少。蝙蝠通过紧贴出口来生存，但是进入到洞穴里面是十分危险的。这些毒气源位于几千米的深处。硫化氢气体不断从蕴藏在地壳下的石油中冒出来，它与水中的氧气化合形成硫酸。在这样的环境下我们通常认为不会有鱼存在，但是这种洞栖帆鳍鱼将却数量很多，尽管有硫酸，而且氧气缺乏。事实上，这里的生物数量比人们想象的多得多，但最大的意外还在于一种更奇异的东西。 |
| Explorers entering this dangerous cave must wear respirators and carry monitors. Poisonous gases rise to fatal levels so quickly that an early warning system is essential. Bats survive by staying close to the skylights, but venturing deep into the cave is very dangerous indeed. The source of these toxic fumes lies several miles below. Hydrogen sulfide gas bubbles up from oil deposits in the earth' s crust. It mixes with oxygen in the water, and forms sulfuric acid. These are not the sort of conditions in which you' d expect to find fish, yet these cave mollies seem to thrive despite the acid and the low levels of oxygen. There is, in fact, more life here than anyone would think possible, but the biggest surprise is something altogether more bizarre. | |
| jin ru zhe ge wei xian dong xue de tan xian zhe bi xu dai shang hu xi qi he jian ce yi. you du qi ti hen kuai hui sheng dao zhi ming de shui ping, suo yi zao qi yu jing xi tong bi bu ke shao. bian fu tong guo jin tie chu kou lai sheng cun, dan shi jin ru dao dong xue li mian shi shi fen wei xian de. zhei xie du qi yuan wei yu ji qian mi de shen chu. liu hua qing qi ti bu duan cong yun cang zai di qiao xia de shi you zhong mao chu lai, ta yu shui zhong de yang qi hua he xing cheng liu suan. zai zhe yang de huan jing xia wo men tong chang ren wei bu hui you yu cun zai, dan shi zhe zhong dong qi fan qi yu jiang que shu liang hen duo, jin guan you liu suan, er qie yang qi que fa. shi shi shang, zhe li de sheng wu shu liang bi ren men xiang xiang de duo de duo, dan zui da de yi wai hai zai yu yi zhong geng qi yi de dong xi. |
| Explorers entering this dangerous cave must wear respirators and carry monitors. Poisonous gases rise to fatal levels so quickly that an early warning system is essential. Bats survive by staying close to the skylights, but venturing deep into the cave is very dangerous indeed. The source of these toxic fumes lies several miles below. Hydrogen sulfide gas bubbles up from oil deposits in the earth' s crust. It mixes with oxygen in the water, and forms sulfuric acid. These are not the sort of conditions in which you' d expect to find fish, yet these cave mollies seem to thrive despite the acid and the low levels of oxygen. There is, in fact, more life here than anyone would think possible, but the biggest surprise is something altogether more bizarre. | |
| jìn rù zhè gè wēi xiǎn dòng xué de tàn xiǎn zhě bì xū dài shang hū xī qì hé jiān cè yí. yǒu dú qì tǐ hěn kuài huì shēng dào zhì mìng de shuǐ píng, suǒ yǐ zǎo qī yù jǐng xì tǒng bì bù kě shǎo. biān fú tōng guò jǐn tiē chū kǒu lái shēng cún, dàn shì jìn rù dào dòng xué lǐ miàn shì shí fēn wēi xiǎn de. zhèi xiē dú qì yuán wèi yú jǐ qiān mǐ de shēn chù. liú huà qīng qì tǐ bù duàn cóng yùn cáng zài dì qiào xià de shí yóu zhōng mào chū lái, tā yǔ shuǐ zhōng de yǎng qì huà hé xíng chéng liú suān. zài zhè yàng de huán jìng xià wǒ men tōng cháng rèn wéi bú huì yǒu yú cún zài, dàn shì zhè zhǒng dòng qī fān qí yú jiāng què shù liàng hěn duō, jǐn guǎn yǒu liú suān, ér qiě yǎng qì quē fá. shì shí shàng, zhè lǐ de shēng wù shù liàng bǐ rén men xiǎng xiàng de duō de duō, dàn zuì dà de yì wài hái zài yú yī zhǒng gèng qí yì de dōng xī. |
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