单词	allenic
释义	allenic adjective al·​len·​ic aˈlēnik, əˈ-, -en- : relating to or derived from allene : like allene especially in having two double bonds in adjacent positions allenic alkadienes —often distinguished from conjugated Word History First Known Use 1915, in the meaning defined above
随便看	tobogganists toboggans Tobol tobosa grass Tobruk tobs toby fill Toby Fillpot jug toby jug tobyman tobymen toc tocalote Tocantins toccata toccatas toccatina Tochari Tocharian Tocharian A Tocharian B tocharians Tocharish tocher tocher-good

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