decayedadj.腐败的；被蛀的动词decay的过去式和过去分词形式.decayv.(使)衰退；(使)腐败；(使)腐烂n.衰退；腐烂；腐败decay coefficient衰减系数decaying particle衰变粒子,不稳定粒子decay interaction衰变相互作用decay path length衰变长度decay heat cooler衰变冷却器decayed or filled龋牙或填充牙decay of amplitude振幅的衰减decayof turbulence湍流衰减decaying transient衰减瞬态decaying excrement腐败排泄物