| 单词 | methane |
| 释义 | methane /meth"ayn/; Brit. /mee"thayn/, n. Chem. a colorless, odorless, flammable gas, CH4, the main constituent of marsh gas and the firedamp of coal mines, obtained commercially from natural gas: the first member of the methane, or alkane, series of hydrocarbons. [1865-70; METH- + -ANE] |
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