alpha rays

英 美
  • 线
  • alpha n.希腊字母的第一个字母;最初adj.[化]阿尔法位的;主导的;首要的;按字母顺序的
  • rays n.射线名词ray的复数形式.
名词 alpha ray:
  1. the radiation of alpha particles during radioactive decay

    1. The corona's rays flash out in a brilliant fan that has wispy spike-like rays near the Sun's north and south poles.
      光环带的光束像一把流光折扇,在太阳的南北两极附近形成纤细的辐射线。
    2. The rays appeared to destroy the fast-growing cells of terrible growths in the body.
      辐射线似乎能破坏人体内迅速增长的恶性肿瘤细胞。
    3. The gun can fire invisible rays.
      这枪能发出看不见的射线。
    4. Cathode rays are attracted by a positive charge.
      阴极射线被阳电荷所吸引。