dark galactic nebula
英
美
- 暗银河星云,银河暗星云
双语例句
- Galactic nebulas are masses of diffuse material within our galaxy.
银河星云是我们星系中的一团团弥散物。 - Some celestial bodies similar to galactic nebulas but without any luminosity sometimes reveal their presence as dark patches obscuring the light of stars beyond them.
某些与银河星云相似但不发光的天体，有时看来象块黑色补丁，遮住了周围的星光。
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