正如我们所说，这些热液喷口正在向海洋深处释放这种强热的水，含有一种叫做硫化氢的化学物质，和一种气体，二氧化碳。
As we said, these hydrothermal vents are releasing into the ocean depth this intensely hot water that contains a chemical called hydrogen sulfide, and also a gas, carbon dioxide.
这种气体是硫化氢，上升后与石灰岩裂缝中地下水的氧气混合。
This gas is hydrogen sulfide, rises up and mixes with oxygen in the underground water that sits in the cracks and fissures in the limestone.
细菌以这种油为食，并释放硫化氢气体。
应用推荐