最新 rontgen n. 伦琴(X射线)rontgen Noun German physicist who discovered x-rays and developed roentgenography (1845-1923) rontgen例句 用作名词(n.) Rontgen's discovery was a stone with its waves.伦琴的发现，一石激起千层浪。 Rontgen went... 2025-10-04 11
