英语词汇spiral 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	spiral nebula
释义	spiral nebula 美/ ?spa?r?l ?nebj?l? / 简明释义 [天] 旋涡星云专业释义 1 天文学旋涡星云螺旋星云双语例句 1 Good spectra of the spiral nebulas are difficult to obtain because of their extreme faintness. 旋涡星云因为非常暗，难以得到它们的清晰的光谱。
随便看	Monitoring,Immunologic Monitoring,Immunological monitoring index monitoring indicator monitoring infectious diseases monitoring information monitoring instruction monitoring instrument Monitoring,Intraoperative monitoring ionization chamber monitor jack monitoring key monitoring laser monitoring lead monitoring loop monitoring loudspeaker monitoring method monitoring mutation rate monitoring net monitoring network monitoring, nuclear reactor monitoring nuclear reactor monitoring observation Monitoring of blood pressure monitoring of coal mine safety

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