Cydian.小卷蛾属CYabbr.历年（=calendar year）cyanogen poisoning氰中毒cyclochloroguanidum环氯胍Cypa pallens enodisn.齿缘褐天蛾Cymbella perpusillan.极小桥弯藻Cyclobalanopsis rexn.大果青冈Cymbidium iridiodes黄蝉兰Cymbella ventricosan.偏肿桥弯藻Cyperus malaccensisn.茳芏cyanethyl cellulose氰乙基纤维素cyclohexyl acrylate丙烯酸环己酯