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单词 cirrostratus
释义 cirrostratus
 —cirrostrative,  adj.  
 /sir'oh stray"teuhs, -strat"euhs/,  n.  ,  pl.   cirrostratus.
 a cloud of a class characterized by a composition of ice crystals and often by the production of halo phenomena and appearing as a whitish and usually somewhat fibrous veil, often covering the whole sky and sometimes so thin as to be hardly discernible: of high altitude, ab. 20,000-40,000 ft. (6000-12,000 m).
 [1795-1805; CIRRO- + STRATUS]
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更新时间:2025/2/24 22:52:51