noun🔗Share甲烷，沼气。 The simplest aliphatic hydrocarbon, CH₄, being a constituent of natural gas, and one of the most abundant greenhouse gases."Cattle emit a large amount of methane."牛排放出大量的甲烷（沼气）。compoundsubstancechemistryenvironmentenergyfuelscienceChat with AIVocabulary GamePractice Reading
noun🔗Share甲烷衍生物 Any of very many derivatives of methane."Many cleaning products contain methane derivatives, which make them effective at dissolving grease. "很多清洁产品都含有甲烷衍生物，这使它们能有效地溶解油脂。compoundsubstancechemistryfuelscienceenergyChat with AIVocabulary GamePractice Reading
