cosmic ray

英 美
  • n.宇宙光
  • cosmic adj.宇宙的;广大无边的;无限的
  • ray n.光线;射线;辐射vi.发光;辐射vt.释放射线;用光线装饰n.[动]鳐Ray.n.雷(人名)
Noun:
  1. highly penetrating ionizing radiation of extraterrestrial origin; consisting chiefly of protons and alpha particles; collision with atmospheric particles results in rays and particles of many kinds