roentgen rays

英 美
  • n.X射线;伦琴射线
  • rays n.射线名词ray的复数形式.
  • roentgen n.伦琴;X射线adj.X射线的Roentgen.n.伦琴(姓氏;德国物理学家)=röntgen.
名词 roentgen ray:
  1. electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target