천연가스의 주성분이며 무색, 무취의 가연성 기체인 가장 단순한 탄화수소.
A colorless, odorless, highly flammable gas that is the simplest hydrocarbon and the primary component of natural gas.
예문:
"The leak in the underwater pipeline released a massive plume of methane into the atmosphere."
"Methane is often called 'marsh gas' because it is produced by the anaerobic decay of vegetation in swamps."
"Reducing methane leaks during oil extraction is crucial for meeting climate targets."