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- Sometimes these clouds are so extensive that they are virtually indistinguishable from one another, forming a sheet of cirrus called cirrostratus. 卷云是高云的一種,是對流層中最高的云,平均高度超過(guò)6000公尺。
- cirrostratus nebulous 薄幕卷層云
- cirrus fibratus 毛卷云
- fibrous","fibratus,fibrosus"," 纖維狀,須發(fā)狀"
- cirrostratus nebulosus 薄幕卷層云
- cirrostratusn. 卷層云
- cirrostratus cloud 卷層云
- fibratus 毛狀云