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An expert on or student of Ripperology, especially one who seeks to uncover the identity of the murderer.
1970s. From ripper + -ologist. Compare slightly later Ripperology.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。