protogalaxy
美
英
- 网络原星系;姓谢的女生怎么取才文艺;原始银河
复数:protogalaxies
n. | 1. a hypothetical cloud of gas believed to have been formed about 14 billion years ago from dark matter, neutral hydrogen, and helium, from which all the galaxies and stars evolved |
| 单词 | protogalaxy | ||
| 释义 | protogalaxy美 英
复数:protogalaxies
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