nebula

英 [ˈnebjələ]

美 [ˈnebjələ]

n.  星云; 外观似星云的星系

复数：nebulae　

TOEFL医学

BNC.29269 / COCA.8201

牛津词典

noun

• 星云；外观似星云的星系
  a mass of dust or gas that can be seen in the night sky, often appearing very bright; a bright area in the night sky caused by a large cloud of stars that are far away

柯林斯词典

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

英英释义

noun

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

双语例句

• The Horsehead Nebula: New stars have already formed inside part of it.
  马头星云：新的恒星已经在其内部形成了。
• Still, no known cat could have created the vast Cat's Paw Nebula visible in Scorpius.
  可是，没有那么大的猫能制造天蝎座里这个硕大的猫爪星云。
• But most of the stars in the sky are far away galaxies or nebula.
  然而，天空中的多数恒星位于遥远的星系或星云中。
• The theory that the solar system evolved from a hot gaseous nebula.
  太阳系是产生于一个星云热气体的理论。
• It is a neutron star and it is located in the Crab Nebula.
  它是个中子星，处于蟹状星云中。
• From ground-based telescopes, the "ant nebula" resembles the head and thorax of a garden ant.
  透过地面望远镜，蚂蚁星云看上去像一只花园蚂蚁的头与胸。
• Today we know this light was an exploding star and record the colorful expanding cloud as the Veil Nebula.
  现在，我们知道这道光这是恒星爆炸的结果，而且还残留下五颜六色的扩散云气，称为面纱星云。
• The nebula is the result of a dying star.
  该星云是由恒星死亡后产生的。
• When we encountered a dark-matter nebula.
  我们遇上了一个暗物质星云。
• Many objections can be raised to this picture of planetary nebula formation.
  形成行星状星云的这一图象可能会引起许多异议。