nebula是什么意思,nebula怎么背,怎么记,nebula的词根词缀巧记速记方法,nebula构词,构成,中文翻译_英语词典

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nebula 星云状的

释义2： nebula
/ 5nebjElE /

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◙ (pl. nebulae -liː 或nebulas)
1. [Astronomy] a cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter
• [天文] 星云
  (in general use) any indistinct bright area in the night sky, e.g. a distant galaxy
• （一般用语）雾影；星云状物
2. [Medicine] a clouded spot on the cornea causing defective vision
• [医] 角膜云翳1. mid 17th cent. (as a medical term): from Latin, literally mist'

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包含nebula

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