1·Sulfuric acid eats away at limestone very aggressively.
硫酸对石灰石的侵蚀非常厉害。
2·What else does sulfuric acid do?
硫酸还能做什么？
3·We've said that sulfuric acid dissolves limestone, right?
我们说过，硫酸可以溶解石灰石，对吗？
4·When hydrogen sulfide reacts with the oxygen in the water, the result of that is sulfuric acid.
当硫化氢与水中的氧反应，得到的就是硫酸。
5·Also, in surface water, there is a weak acid, carbonic acid, not sulfuric acid, but carbonic acid that helps dissolve the rock.
另外，在地表水中存在一种弱酸，它是碳酸，而不是硫酸，而且是能帮助溶解岩石的碳酸。