資料來源 : pyDict

惹烯

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Retene \Ret"ene\, n. [Gr. ??? pine resin.] (Chem.)
   A white crystalline hydrocarbon, polymeric with benzene. It
   is extracted from pine tar, and is also found in certain
   fossil resins.