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TOEFL BNC: 13128 COCA: 11180

methane

Word family
Related topics: Gas, coal, oil, Chemistry
me·thane /ˈmiːθeɪn $ ˈme-/ noun [uncountableU]  
TPGHCa gas that you cannot see or smell, which can be burned to give heat 甲烷,沼气
 Methane is one of the principal gases contributing to the greenhouse effect.
甲烷是造成温室效应的主要气体之一。
Examples from the Corpus
Origin methane
(1800-1900) methyl
me·thane noun
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