Cynk钦克CYabbr.历年（=calendar year）cycloidal slot摆线槽Cyperus nutansn.垂穗莎草Cyana coccinean.猩红雪苔蛾cyclopentorate环喷托酯, 环戊通(抗胆碱药)cytofluorograf细胞荧光记录器cyclotomic set接圆集cytochalasin E细胞松弛素Ecyclotron-on回旋加速器运行cylindric lock圆柱销cyclomatopathy乳腺增生病