the branch of astronomy concerned with the detection and investigation of objects in outer space by means of the X-rays they emit
| 单词 | X-ray astronomy |
| 释义 | X-ray astronomynounthe branch of astronomy concerned with the detection and investigation of objects in outer space by means of the X-rays they emit |
| 随便看 |
英语词典包含66266条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。