Cyss齐斯CYabbr.历年（=calendar year）cynatratoside A白薇甙ACyclophospamide环磷酰胺cycloeucalenone环桉烯酮Cyclosa omonagan.长脸艾蛛cylindromatosis圆柱瘤病cytogenic gland造细胞腺cyrtopterinetin冷蕨亭cyanoes-group多氰基cycloid economy循环经济Cymbella tumidan.膨胀桥弯藻