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You can see nebulae in the clear summer sky.

在晴朗的夏夜可以看到天上的星云.

《简明英汉词典》

The element hydrogen comprises 90 % of the matter in gaseous nebulae.

元素氢占气体星云物质的百分之九十.

辞典例句

Some nebulae appear to be completely engulfed by exceedingly large molecular clouds.

有些气体星云似乎被极其巨大的分子云完全包围.

辞典例句

The spiral nebulae are impressive objects.

旋涡星云是迷人的天体.

辞典例句

Planetary nebulae are a type of isolated gaseous nebulae possessing a fair degree of bilateral symmetry.

行星状星云是一类孤立的气体星云,具有相当程度的双侧对称性.

辞典例句

Such tumultuous, often visually spectacular, interstellar regions surrounding youthful stars are known as gaseous nebulae.

这种环绕着年轻星的动荡且常常是壮观的星际区域,叫做气体星云.

辞典例句

These sources are generally viewed in projection against radio nebulae representing the remnants of supernova outbursts.

这类源一般都投影在超星爆发残骸的射电星云上.

辞典例句

Planetary nebulae fade away gradually over tens of thousands of years.

行星状星云在数万年间逐渐衰老.

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The spiral nebulae were scratches left by the grinder.

螺旋状的星云是研磨者所留下的痕迹.

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The nebulae, he said, were clouds of atoms and dust.

而星云, 他说, 是由原子和尘埃构成的云.

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Some astronomers thought nebulae were part of our Milky Way Galaxy.

有些天文学家认为,星云是我们银河系的一部分.

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The Galactic Dust in Corona Australis: Two blue - reflection nebulae.

南冕座星尘内,两个星云焕发着梦幻般的蓝色光辉.

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Planetary nebulae are not as airy and tranquil as their images suggest.

行星状星云并不如影像中所显现的那麽飘逸宁静.

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Barnard's markings are dark nebulae, interstellar clouds of obscuring gas and dust.

巴纳德标记的是一黑暗星云, 模糊气体和尘埃组成的星际云.

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Most of the universe is empty space. The rest is stars, planets , comets, and nebulae, right?

绝大多数的宇宙空间是真空状态, 除却星辰, 行星, 彗星和星云, 是这样 吗 ?

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