- decay
 - [di'kei]
 - vi. 衰退,衰减;腐烂,腐朽
n. 衰退,衰减;腐烂,腐朽
vt. 使腐烂,使腐败;使衰退,使衰落 
同义词
           
       参考例子
           - 1.The tree began to decay as soon as it was cut down.
 - 树一被砍倒,它就开始腐朽。
 
- 2.I leave this prison of decay.
 - 我离开这座腐烂的监狱。
 
- 3.One major problem is tooth decay.
 - 一个主要的问题是蛀牙。
 
英文解释
           - n.
 - 1.the process of gradually becoming inferior
 - 2.a gradual decrease; as of stored charge or current
 - 3.the organic phenomenon of rotting
 - 4.an inferior state resulting from the process of decaying
 - 5.the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiat
 
- v.
 - 1.lose a stored charge, magnetic flux, or current
 - 2.fall into decay or ruin
 - 3.undergo decay or decomposition
 
网络释义
               - decay
 - 衰变; 衰减; 衰亡,逐渐衰弱; (机械设备的)腐蚀;
 
- decay constant
 - 衰变常数; 衰变常数,衰变常量; 蜕变常数; 衰减常数;
 
- decay curve
 - 衰变曲线; 衰减曲线; 衰变曲; 退化曲线;
 
- decay analogue
 - 衰变模拟; 衰变模鸪;
 
- decay characteristic
 - 衰变特性; 衰变特征; 衰减特性; 释义:衰变特征;