Gas hydrate is commonly called flammable ice, methane ice, methane hydrate.

天然气水合物俗称可燃冰，甲烷水合物。

youdao

Like a frozen asteroid belt, it's littered with chunks of ice and frozen methane and ammonia.

象一个冰冻的小行星带一样，它的上面布满冰柱及凝固的甲烷及氨。

youdao

Human-caused increases in atmospheric methane, which oxidizes into carbon dioxide and water vapor, could be providing more water for ice in the stratosphere.

人为增加大气中的甲烷，其氧化为二氧化碳和水汽后，能为平流层的冰提供更多的水份。

youdao

They estimate that there could be hundreds of billions of tonnes of carbon stored in methane reservoirs under the ice sheet.

BBC: Antarctic may host methane stores

However, the study warned that further research is needed to determine the long-term impacts of the natural gas hydrates -- essentially methane gas trapped in ice.

CNN: Study: Tap natural gas from Alaska's frozen areas

The findings indicate that ancient deposits of organic matter may have been converted to methane by microbes under the ice.

BBC: Antarctic may host methane stores