英语词汇emission nebula怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	emission nebula
释义	emission nebulan.（名词） A nebula that absorbs ultraviolet radiation from stars and reemits it as visible light.发射星云：吸收星体的紫外线辐射并且转变成可见光放射出来的星云
随便看	tracing tracings track trackage trackages track and field trackball tracked track event tracking tracking tracking poll trackings tracking shot tracking station trackless trackless trolley track light trackman track meet trackmen track record tracks trackside tracksuit

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