单词	pentadiene
释义	pentadiene noun pen·​ta·​diene ¦pentə+ : any of several straight-chain liquid diolefins C5H8 especially : piperylene compare cyclopentadiene Word History Etymology penta- + -diene
随便看	tumeric tumesced tumescence tumescences tumescent tumesces tumescing tumfie tumid tumidder tumiddest tumider tumidest tumidities tumidly tumidnesses Tumion tummed tummer tummies tumming tummler tummlers tummock tummy

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