cymaen.反曲线CYabbr.历年（=calendar year）Cyperus duclouxiin.云南莎草cycltrimerization环化三聚合cyclopean masonry蛮石圬工,巨石工程cyanmethemoglobin氰化正铁血红蛋白cyclopentanethioln.环戊硫醇cybre environment网络环境Cyanidation slags氰化尾渣Cymbella japonican.日本桥弯藻cycling degassing真空提吸脱气法cytotoxic therapy细胞毒疗法