| 释义 |
meth·ane AHD[mĕthʹān'] D.J.[ˈmeθˌeɪn]K.K.[ˈmɛθˌen]n.（名词）- An odorless, colorless, flammable gas, CH4, the major constituent of natural gas, that is used as a fuel and is an important source of hydrogen and a wide variety of organic compounds. 甲烷：一种无味，无色，易燃汽体，CH4，是天然气的主要组成部分，被用作燃料，是氢和其它多种有机化合物的重要来源
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