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	numismatician numismatics numismatist numismatography numismatologist numismatology nummies nummiform nummion nummit nummular nummulary nummulite nummulitic nummulitid nummus nummy numnah num-num numori nump numps numpty numskull nun

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