| 释义 |
N114701400methaneSpoken.118Fiction.191Magazine.491Newspaper.175Academic.425methane/ˈmiːθeɪn/noun mass noun 1Chemistry a colourless, odourless flammable gas which is the main constituent of natural gas. It is the simplest member of the alkane series of hydrocarbons. 【化】甲烷, 沼气。
1.1Chem. formula: CH4. 化学分子式： CH4.
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