cosmic ray

 
       
  • n. 宇宙光
new

cosmic ray的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

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

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