单词	methane
释义	methane /ˈmiːθeɪn / /ˈmɛθeɪn / noun [mass noun] Chemistry A colourless, odourless flammable gas which is the main constituent of natural gas. It is the simplest member of the alkane series of hydrocarbons. Chemical formula: CH4. Other trace gases include methane, nitrous oxide, carbon monoxide, sulphur dioxide, and ozone.... Will it in the meantime be made from hydrocarbons like methane and natural gas? For example, the alcohol derivative of methane is methanol and of ethane is ethanol. Origin Mid 19th century: from methyl + -ane2. Rhymes ethane
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