单词	ethene
释义	ethene /ˈɛθiːn / noun Systematic chemical name for ethylene.For example reduction of ethanol gives the alkene ethene.... The alkene ethene can be produced by heating ethanol with (for example) aluminum oxide. Polymerization of ethene gives polythene (polyethylene). Origin Mid 19th century: from ether + -ene.
随便看	Derrideanism derring-do derringer derris derrière derro derry derv dervish Derwenter de règle DES desacralise desacralization desacralize de Sade, Marquis desalinate desalination desalinator desalinization desalinize desalt desaparecido desaturate desaturation

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