nebula

美音：[ˈnɛbjələ] 英音：[ˈnɛbjʊlə]

简单释义：

n.【天】星云；【医】角膜翳

网络喷雾剂；云翳；角膜云翳

变形：

复数：nebulas 复数：nebulae

完整释义：

1.【天】星云
2.【医】角膜翳

例句：

Were the Tarantula Nebula at the distance of the Orion Nebula -- a local star forming region -- it would take up fully half the sky.
假如狼蛛星云在猎户座星云——一个本地（银河系内）恒星形成区——的位置上，它将占据半个天空。
Pictured above is one of several striking dust pillars of the Eagle Nebula that might be described as a gigantic alien fairy.
上图为鹰状星云若干突出的尘埃柱之一，就像是一个巨大的外星精灵。
This radiation and solar wind began to push out the remaining dust and gas of the nebula, sweeping the Solar system clean.
这些太阳和辐射能量将星云残馀的尘粒和气体扫荡一空，留下一个纯净的太阳系。
Explanation: Connecting the Pipe Nebula to the bright star Antares is a flowing dark cloud nicknamed the Dark River.
说明：连接烟斗星云和明亮的心大星的是一条黑暗的云带，被昵称为暗河。
Messier 27 (M27) is an excellent example of a gaseous emission nebula created as a sun-like star runs out of nuclear fuel in its core.
Messier27（M27）是个气体发射星云的典型例子，它是由于类似太阳的恒星耗尽了其核心的核燃料而产生的。
An unexpectedly varying Crab Nebula might have affected any research that used the Crab as a standard or a calibration tool.
而现在，突如其来的蟹状星云辐射波动现象必将影响任何一个将其作为标准或校准工具的研究项目。
Explanation: By starlight this eerie visage shines in the dark, a crooked profile evoking its popular name, the Witch Head Nebula.
女巫头星云得名于它那在黑暗中时隐时现的阴森的面容，它那畸变得外形让它得到了这么一个外号。
The general shape of the average nebula is that of a thin circular disk somewhat thick in the center.
星云最常见的形状是中间较厚边缘较薄的圆盘。

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