nebula是什么意思？

nebula

英[ˈnebjələ] 美[ˈnɛbjələ]

• n. 星云，星云状的星系；

复数：nebulas; nebulae;

例句

• ...the Great Nebula. 猎户大星云
• A nebula is really a discrete mass of innumerous stars. 一团星云实际上是无数星体不连续的集合体.
• A powerful telescope can resolve a nebula into stars. 一架高性能的望远镜能从星云中分辨出星球来.
• The size of the nebula at this stage is inversely proportional to its mass. 这个阶段星云的大小与其质量成反比。
• Light takes about 1500 years to reach us from Horsehead Nebula. 从马头星云发出的光需要经过1500光年才能到达我们这里.
• Directly below Alnitak, a close inspection will reveal the Horsehead Nebula. 经过仔细查看就可以发现紧挨着参宿一的下方就是马头星云.
• Horsehead Nebula: New stars have already formed inside part of it. 马头星云: 新的?星已经在其内部形成了.
• Boomerang Nebula - the coolest place in the Universe? 宇宙中最冷的地方?

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  星云
  A nebula is a cloud of dust and gas in space. New stars are produced from nebulae.
  例句
  ...the Great Nebula. 猎户大星云

英英词典释义

• Noun
  1. a medicinal liquid preparation intended for use in an atomizer
  2. cloudiness of the urine
  3. an immense cloud of gas (mainly hydrogen) and dust in interstellar space
  4. (pathology) a faint cloudy spot on the cornea

行业词典

• 医学： 角膜薄翳，角膜翳：只在斜照光下可见的角膜轻度混浊或瘢痕；尿混浊；喷雾剂：用于喷雾器的一种油性制剂；
  天文学： 星云；由气体和尘埃组成的云雾状天体。历史上最初使用本名称时曾把现已清楚是星系和星团的天体包括在内。；