卷層雲 [ㄐㄩㄢˇ ㄘㄥˊ ㄩㄣˊ; juan3 ceng2 yun2] cirrostratus (cloud) also written 捲層雲[ㄐㄩㄢˇ ㄘㄥˊ ㄩㄣˊ; juan3 ceng2 yun2] ◄ ►