decay

n.衰退，腐败 v.(使)衰退，(使)腐败

Debussy, debut, debut (also debut), debutante, Dec, dec (also decd), deca-, decade, decadence, decadent, decaffeinated, Decalogue, decamp, decant, decanter, decapitate, decapitation, decarbonize, decarbonise, decathlete, decathlon, decease, deceased, deceit, deceitful, deceitfully, deceitfulness, deceive, deceiver, decelerate, deceleration, December, decency, decent, decently, decentralization, -isation, decentralize, decentralise, deception, deceptive, deceptively, deci-,