filamentary nebula

例句：

1. 1. The starry sky is dotted with filamentary nebulae.
   星星点缀着丝状星云。
2. 2.This new discovery has sparked interest in the filamentary nebulae.
   这一新发现引发了对丝状星云的兴趣。
3. 3. The filamentary nebulae are a fascinating study of the universe's formation.
   丝状星云是研究宇宙形成过程的迷人课题。