英语词汇“galactic nucleus”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	galactic nucleus
释义	galactic nucleus noun The central part of a galaxy; specifically that of the Milky Way galaxy. The nuclei of most large galaxies are now believed to contain a supermassive black hole.. Origin 1920s.
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galactic nucleus