| 词汇 | massive black hole |
| 释义 | Definition of massive black hole in English:massive black holenoun Astronomy
Origin1970s; earliest use found in Astrophysical Journal. Definition of massive black hole in US English:massive black holenoun Astronomy
Origin1970s; earliest use found in Astrophysical Journal. |
| 随便看 |
双龙斋书画网英语在线翻译词典收录了464360条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。