戊五醇 Adonitol
五氟戊醇 Pentafluoropentanol ; Pentafluoropentan-1-ol
五氟戊硫醇 Pentafluoro-1-pentanethiol
双季戊四醇五丙烯酸酯 DPEPA
答：科学家们已经识别出五种截然不同的肝炎病毒并以甲、乙、丙、丁、戊型作为辨识。虽然它们都会引起肝病，但在重要方面又有所不同。
A: Scientists have identified five unique hepatitis viruses, identified by the letters a, b, c, d, and E. While all cause liver disease, they vary in important ways.
科学家们已经识别出五种截然不同的肝炎病毒并以甲、乙、丙、丁、戊型作为辨识。 虽然它们都会引起肝病，但在重要方面又有所不同。
Scientists have identified five unique hepatitis viruses, identified by the letters A, B, C, D, and E. While all cause liver disease, they vary in important ways.
本文综述了近五年双环戊二烯聚合材料进展。
Recent five-year development of polymer materials made from dicyclopentadiene is reviewed in the article.
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