- The source of these toxic fumes lies several miles below.
这些毒气的源头位于地下几英里处
- Hydrogen sulphide gas bubbles up from oil deposits in the earth's crust.
硫化氢气体从地壳内的油气储层中溢出
- It mixes with oxygen and the water,
与水中的氧发生化合反应
- and forms sulphuric acid.
产生了硫酸
- These are not the sort of conditions in which you would expect to find fish,
鱼类似乎不太可能生活在这种环境中
- yet these cave mollies seem to thrive
然而这些洞栖帆鳍? 看上去却是悠然自得
- despite the acid and the low levels of oxygen.
尽管这里是酸性低含氧量环境
来自《行星地球 第一季 第四集 Planet Earth S01E04 洞穴》第 286 行