?超高能宇宙射线
超高能宇宙射线
The magnetic fields around the black holes may speed up the cosmic rays, which would help explain their super energies.
BBC: Black hole: A source of 'cosmic bullets'?
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。