单词	alkenyl
释义	alkenyl noun al·​ke·​nyl ˈalkəˌnil, -ēl plural -s : any univalent aliphatic hydrocarbon radical CnH2n−1 (as 2-butenyl CH3CH:CHCH2−) derived from an alkene by removal of one hydrogen atom Word History Etymology alkene + -yl First Known Use 1916, in the meaning defined above
随便看	uneatable uneaten uneath uneccentric unecological uneconomic uneconomical uneconomically unedged unedges unedging unedified unedifying unedifyingly unedited uneducable uneducated uneffectual unelaborate unelastic unelectable unelected unelectrified unelegant unelevated

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