英语词汇“radiation-bounded nebula”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	radiation-bounded nebula
释义	radiation-bounded nebula radiation-bounded nebula [‚rād·ē′ā·shən ¦bau̇n·dəd ′neb·yə·lə] (astronomy) An emission nebula whose central star is not hot enough to ionize the entire cloud.
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