单词	pentanedione
释义	pentanedione noun pen·​tane·​dione ˌpen‧ˌtānˈdīˌōn plural -s : a diketone derived from normal pentane especially : acetylacetone Word History Etymology pentane + -dione
随便看	jacinth jacinthe jacinthes jacinths jacitara jacitara palm jack jack (up) jack arch jack bean jack block local officer local option local preacher local rate local road local self-government local service airline local street local time locale localed localer locales localest

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