“circumhorizontal arc”的概念、定义、翻译、参考文献-科学参考

单词	circumhorizontal arc
释义	circumhorizontal arc [¦sǝr·kǝm´här·ǝ`zänt·ǝl `ärk] ^OPTICS A halo phenomenon consisting of a colored arc, red on its upper margin; it extends for about 90° parallel to the horizon and lies about 46° below the sun.
随便看	Uintatheriidae Uintatheriinae UJT Ulatisian ULCC ulcer ulcerative colitis ulcerative endocarditis ulcerative gingivitis ulexite ullage ullage rocket ullmannite Ullmann reaction Ulloa's ring Ullrich-Turner syndrome Ulmaceae ulmic acid ulmin ulna ulnar deviation Ulotrichaceae Ulotrichales Ulotrichineae ulrichite

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