1) The sky was uniformly gray.
天空一片灰暗。
2) a gloomy sky; a murky grey sky
灰暗的天空
3) Clouds are greying the sky.
云层使天空灰暗。
5) gloom
[英][ɡlu:m] [美][glum]
阴暗天空
6) dark sky
暗天空
1.
For controlling light pollution and protecting the dark sky resource,origin of sky glow from the atmosphere dispersion was analyzed,research progress and primary results on night sky brightness models,including a model between night sky brightness and the urban population,the distance and a model between night sky brightness and dispersion forms,were discussed.
暗天空是自然界留给人类的"宝贵遗产"之一。
补充资料：天空
天空 天空 俗病名。见《喉科金钥》卷上。系指杨梅结毒，咽喉腐败，年久月深，患成天空，鼻孔塌陷的病证。所谓天空，系梅毒后期硬腭处树胶肿破坏并形成特异性溃疡所造成的穿孔，（并与鼻腔相通），因中医称上腭为“天花板”，故有天空之称。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条