Many objections can be raised to this picture of planetary nebula formation.
形成行星状星云的这一图象可能会引起许多异议.
辞典例句
The star primarily responsible for this interstellar sculpture can be found in the planetary nebula's center.
至于造成这座星际雕塑品的始作俑者,我们可以在行星状星云的中心看到此恒星的尊容.
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英英释义
Noun
1. a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star