codeine

n [U] drug made from opium, used to relieve pain or help people to sleep 可待因（由鸦片制成的药物, 用以镇痛或安眠）.

cockily, cockiness, cockle, cockney, cockpit, cockscomb, cocksure, cocktail, cocky, coco, cocoa, coconut, coconut matting, coconut palm (also coco, coco-palm), cocoon, cod, cod-liver oil, coda, coddle, code, codex, codger, codicil, codification, codify, codpiece, codswallop, coed, coeducation, coeducational, coefficient, coerce, coercion, coercive, coeval, coexist, coexistence, coffee, coffee bar, coffee bean,