英汉解释

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

n. decline，decomposition，disintegration，radioactive decay
v. crumble，decompose，delapidate，disintegrate

参考例句

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。

英英解释

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;