A gashydrate (methane clathrate) block embedded in the sediment of hydrate ridge, off Oregon, USA. Click to enlarge this image.
一块气体水合物（甲烷格状物）嵌入在水合物脊沉淀物中，位于美国俄勒冈州沿海。
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Found underground and on the sea floor, methane hydrate consists of natural gas molecules trapped within a lattice of frozen water molecules.
甲烷水合物主要存在于地下以及海底，由甲烷分子被锁在固态水晶体格中所组成。
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Earlier in the year, a report from the National Research Council identified the combustible water, also known as methane hydrate, as a potential source of natural gas.