| 单词 | shell galaxies |
| 释义 | shell galaxiesshell galaxiesElliptical or S0 galaxies that have been found, in deep exposures, to have faint sharp-edge shells of stars. The shells form alternate circular arcs on each side of the galaxy center and are identified with small-scale star formation triggered by a reverberating disturbance such as a galaxy merger. |
| 随便看 |
|
英语词典包含2567994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。