You can see nebulae in the clear summer sky.
在晴朗的夏夜可以看到天上的星云.
《簡明英漢詞典》
The element hydrogen comprises 90 % of the matter in gaseous nebulae.
元素氫占?xì)怏w星云物質(zhì)的百分之九十.
辭典例句
Some nebulae appear to be completely engulfed by exceedingly large molecular clouds.
有些氣體星云似乎被極其巨大的分子云完全包圍.
辭典例句
The spiral nebulae are impressive objects.
旋渦星云是迷人的天體.
辭典例句
Planetary nebulae are a type of isolated gaseous nebulae possessing a fair degree of bilateral symmetry.
行星狀星云是一類孤立的氣體星云,具有相當(dāng)程度的雙側(cè)對稱性.
辭典例句
Such tumultuous, often visually spectacular, interstellar regions surrounding youthful stars are known as gaseous nebulae.
這種環(huán)繞著年輕星的動(dòng)蕩且常常是壯觀的星際區(qū)域,叫做氣體星云.
辭典例句
These sources are generally viewed in projection against radio nebulae representing the remnants of supernova outbursts.
這類源一般都投影在超星爆發(fā)殘骸的射電星云上.
辭典例句
Planetary nebulae fade away gradually over tens of thousands of years.
行星狀星云在數(shù)萬年間逐漸衰老.
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The spiral nebulae were scratches left by the grinder.
螺旋狀的星云是研磨者所留下的痕跡.
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The nebulae, he said, were clouds of atoms and dust.
而星云, 他說, 是由原子和塵埃構(gòu)成的云.
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Some astronomers thought nebulae were part of our Milky Way Galaxy.
有些天文學(xué)家認(rèn)為,星云是我們銀河系的一部分.
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The Galactic Dust in Corona Australis: Two blue - reflection nebulae.
南冕座星塵內(nèi),兩個(gè)星云煥發(fā)著夢幻般的藍(lán)色光輝.
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Planetary nebulae are not as airy and tranquil as their images suggest.
行星狀星云并不如影像中所顯現(xiàn)的那麼飄逸寧靜.
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Barnard's markings are dark nebulae, interstellar clouds of obscuring gas and dust.
巴納德標(biāo)記的是一黑暗星云, 模糊氣體和塵埃組成的星際云.
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Most of the universe is empty space. The rest is stars, planets , comets, and nebulae, right?
絕大多數(shù)的宇宙空間是真空狀態(tài), 除卻星辰, 行星, 彗星和星云, 是這樣 嗎 ?
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