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roentgen/
ˈrʌntgən
/
1.[Roentgen]
noun [People]
Wilhelm Konrad Roentgen 威廉·康拉德·伦琴（1845-1923），德国物理学家，发现了x射线
2.noun[c] [Unit of Measurement]
伦琴（电离辐射单位）