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单词
Trifid Nebula
释义
Trifid Nebula
Encyclopedia
理学
发射星云
释
Trifid Nebula
三叶星云
位于人马座的发射星云。为《梅西耶星表》中20号天体（M20），因其被三条形似树叶的暗尘埃带分隔成三个区域而得名。又称三裂星云。
Physics
Trifid Nebula
三叶星云
Astronomy
Trifid Nebula
三叶星云
随便看
On the Road
On the Second of the Five Poems
On the seventh Day
On the Seventh Rank of Nobility
On the Significance of Militant Materialism
On the Soul
on-the-spot coverage
On-the-spot interview
On-the-spot policing superintendence
On the Stone Gate Towers
On the Street in Vientiane
On the Style of Rhythmical Prose
On the Sungari River
On the Systems of the Six Dynasties
On the Teacher Education
On the Traditional Chinese Literary and Poetry
On the Tragedy of Wucheng
On the Trinity
On the Waterfront
On The Way Delivery
On the Way to Language
On the Witness Stand
On Three Theories: On Poetry
On Tiger
onto
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更新时间：2026/2/19 4:27:02