Cynar西纳尔CYabbr.历年（=calendar year）Cymbidiuml owianum碧玉兰cyclotronmagnetronn.回旋加速磁控管cyclotron turnover回旋反转cyclotetradecanonen.环十四酮Cyclanthera pedatan.小雀瓜Cynanchum ripariumn.荷花柳Cyclochloroguanidi环氯胍, 退疟净, 氯苯三嗪, 新乐君Cyathus stercoreus粪生黑蛋巢菌cyclonic collector旋风收尘器,漩涡收尘器Cymbidium hyhridum大花惠兰