天然气水合物是由水分子和天然气分子在一定温度和压力下形成的似冰雪状结晶化合物，又称笼形水合物或“可燃冰”。由于形成天然气水合物的气体主要为甲烷，因而也常被称为甲烷水合物。
Gas hydrate is a ice-like crystalline compound, formed by water molecules and natural gas molecules under certain temperature and pressure conditions, also called clathrate hydrate or "fire ice".
最新的研究报告表明，紧贴在南极夏科岛的一个薄长形冰的碎片正在迅速地崩塌，并似即将发生断裂。
The latest reports show that a thin sliver of ice attaching it to the Antarctic's Charcot Island is rapidly collapsing and threatening to break.
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