网络释义专业释义英英释义
据美国国度地舆网站12月25日报道,夜光云(noctilucent cloud)是指傍晚时分现于地球高纬度地区高空的一类发光且通明的波状云,常呈淡蓝色或雪白色,凡是认为是夜光云中的冰晶颗粒散射太阳光的成...
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... Sacred ray / 神圣之光 Noctilucent cloud (Piano Arranged Version) / 暗夜之云 Solution / 融化 ...
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Noctilucent cloud
- abstract: Night clouds or noctilucent clouds are tenuous cloud-like phenomena that are the "ragged-edge" of a much brighter and pervasive polar cloud layer called polar mesospheric clouds in the upper atmosphere, visible in a deep twilight. They are made of crystals of water ice.
以上来源于: WordNet
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