noctilucent

简明释义

英[ˌnɒktɪˈluːsənt]美[ˌnɑːktəˈluːsənt]

adj. 夜光的；生物发光的；夜间可见的

英英释义

单词用法

同义词

反义词

例句

1.Polar mesospheric, or noctilucent ("night shining"), clouds usually are seen at twilight, following the setting of the sun below the horizon and darkening of Earth's surface.

极地气层云，或者说晚霞，通常是那些在黎明前看到的云朵，伴随着地平线以下落幕的太阳和黑暗的地球表面。

2.The sky over Omaha on July 14th, snapped by Mike Hollingshead at Extreme Instability 2. A rendering of the noctilucent clouds created from data obtained by Russel’s NASA project, AIM.

利用拉塞尔NASA项目获得的数据绘制的夜光云效果图。

3.Rare earth noctilucent fibers are a kind of new materials, provided with special function.

稀土夜光纤维是一种具有特殊功能的新型材料。

4.In this paper, the illuminant principle and functional characters of rare earth noctilucent fibers were summarized, and then analyze its wearability and application area.

简述了稀土夜光纤维的发光原理及其功能特性，分析了该纤维的服用性能及应用领域。

5.This invention discloses a noctilucent leather ball. Its leather facing is photic, power supply and electric control luminous element are set in the ball.

本发明公开了一种夜光皮球，其皮面是透光的，球内设有电源和电控发光元件。

6.Pictured above earlier this month, a network of noctilucent clouds cast an eerie white glow after dusk, above the the city of Edmonton, in Alberta, Canada.

下图拍摄于本月上旬，图中是夜幕降临后，网状的夜光云给加拿大阿尔伯达省埃德蒙顿的夜空织出的奇异景色。

7.Photographers and other sky watchers in Omaha, Paris, Seattle, and other locations have run outside to capture images of what scientists call noctilucent (”night shining”) clouds.

奥哈马、巴黎、西雅图和其它地区的摄影师及天空观察家们跑到野外去捕捉夜晚发光的云，科学家们称其为“夜光云”（noctilucent cloud)。

8.Photographers love to capture the ethereal beauty of noctilucent 夜光云 at dusk.

摄影师们喜欢在黄昏时捕捉noctilucent 夜光云的空灵之美。

9.Astronomers often study noctilucent 夜光云 to understand atmospheric conditions.

天文学家经常研究noctilucent 夜光云以了解大气条件。

10.The shimmering noctilucent 夜光云 created a magical atmosphere for the night.

闪烁的noctilucent 夜光云为夜晚创造了神奇的氛围。

11.During the summer months, noctilucent 夜光云 are more frequently observed in the northern latitudes.

在夏季，noctilucent 夜光云在北纬地区更常被观察到。

12.The sky was filled with beautiful noctilucent 夜光云 that glowed softly after sunset.

天空中布满了美丽的noctilucent 夜光云，在日落后柔和地发光。

作文

On a clear summer night, when the sun has long set and the stars begin to twinkle in the vast expanse of the sky, one might be fortunate enough to witness a breathtaking phenomenon known as noctilucent clouds. These ethereal formations, which are often described as shimmering blue or silver, appear high in the atmosphere, typically at altitudes of about 50 miles. The term noctilucent originates from Latin, meaning 'night-shining,' and it perfectly encapsulates the magical essence of these clouds. Unlike ordinary clouds that scatter sunlight during the day, noctilucent clouds reflect the light of the sun even after it has dipped below the horizon, creating an enchanting glow against the darkening sky.The formation of noctilucent clouds is a fascinating process that occurs under specific atmospheric conditions. They are primarily composed of ice crystals, which form when water vapor rises to the mesosphere, where temperatures are extremely low. This unique environment allows the water vapor to freeze and create delicate, wispy structures that catch the sunlight. As a result, the noctilucent clouds can often be seen glowing with a bluish hue, contrasting beautifully with the darker shades of the night sky.Witnessing noctilucent clouds can evoke a sense of wonder and awe. For many, it is a reminder of the beauty and intricacies of nature. The rarity of these clouds adds to their allure; they are most commonly observed in the polar regions during the summer months, making them a sought-after sight for sky watchers and photographers alike. People often gather in open areas, away from city lights, to catch a glimpse of this celestial display. The experience of watching the noctilucent clouds drift gracefully across the sky can be both calming and exhilarating, as one contemplates the vastness of the universe.In addition to their aesthetic appeal, noctilucent clouds also hold scientific significance. Their presence can indicate changes in the atmosphere and climate. Researchers study these clouds to gain insights into atmospheric conditions and to understand more about the Earth's climate system. Observations of noctilucent clouds have increased in recent years, leading scientists to speculate about the potential impacts of climate change on their formation and visibility. This intersection of beauty and science underscores the importance of preserving our environment, as it directly affects the phenomena we cherish.In conclusion, noctilucent clouds are not just a stunning visual spectacle; they are a testament to the complexities of our atmosphere and the interconnectedness of natural processes. Whether admired for their beauty or studied for their scientific implications, noctilucent clouds remind us of the wonders that exist beyond our everyday lives. Next time you find yourself under a starlit sky, take a moment to gaze upward; you may just be lucky enough to witness the enchanting glow of these noctilucent clouds, a true marvel of nature.

在一个晴朗的夏夜，当太阳早已落下，星星开始在广阔的天空中闪烁时，人们可能会幸运地目睹一种令人叹为观止的现象，即夜光云。这些空灵的云层，通常被描述为闪闪发光的蓝色或银色，出现在高空，大约在50英里的高度。术语夜光云源自拉丁语，意思是“夜间发光”，它完美地概括了这些云层的神奇本质。与白天散射阳光的普通云层不同，夜光云在太阳落下地平线后仍能反射阳光，营造出迷人的光辉，映衬在黑暗的天空中。夜光云的形成是一个发生在特定大气条件下的迷人过程。它们主要由冰晶组成，当水蒸气上升到中层大气时，温度极低，这种独特的环境使得水蒸气能够冻结，形成精致而纤细的结构，捕捉阳光。因此，夜光云通常以蓝色的光辉出现，与夜空的深色调形成美丽的对比。目睹夜光云可以唤起一种惊奇和敬畏的感觉。对于许多人来说，这提醒着自然的美丽和复杂性。这些云层的稀有性增加了它们的魅力；它们通常在夏季的极地地区观察到，使它们成为天文爱好者和摄影师所追求的景象。人们常常聚集在开阔的地方，远离城市的灯光，以捕捉这一天体展示的瞬间。观看夜光云优雅地在天空中飘动的体验既令人平静又令人振奋，因为人们思考宇宙的浩瀚。除了美学吸引力外，夜光云还具有科学意义。它们的存在可以指示大气和气候的变化。研究人员研究这些云层，以获得对大气条件的深入了解，并理解更多关于地球气候系统的信息。近年来对夜光云的观察有所增加，导致科学家推测气候变化对其形成和可见性的潜在影响。这种美与科学的交汇突显了保护我们环境的重要性，因为它直接影响着我们所珍视的现象。总之，夜光云不仅仅是一种惊艳的视觉奇观；它们是我们大气复杂性的证明，也是自然过程相互联系的体现。无论是因其美丽而受到欣赏，还是因其科学意义而被研究，夜光云都提醒我们，超越日常生活的奇迹依然存在。下次当你置身于星空之下时，不妨抬头仰望；你可能会幸运地目睹这些夜光云的迷人光辉，这是自然的真正奇迹。