英 [dɪˈkeɪ] 美 [dɪˈkeɪ]
v. （建筑、地方等）破败，衰落；（观念、影响力等）衰败；（使）腐朽，腐烂
n. 腐烂；（观念、机构、制度等）衰退
【名】 （Decay）（英、美、法、意、希）德凯（人名）
复数decays
第三人称单数decays
现在分词decaying
过去式decayed
过去分词decayed
decay /dɪˈkeɪ/ CET4 TEM4 [ decaying decayed decays ]
不及物动词 When something such as a dead body, a dead plant, or a tooth decays, it is gradually destroyed by a natural process. 腐坏
The bodies buried in the fine ash slowly decayed.
埋在细灰里的尸体慢慢腐烂了。
不可数名词 Decay is also a noun. 腐坏
When not removed, plaque causes tooth decay and gum disease.
牙斑没有清除就会导致蛀牙和牙龈疾病。
形容词 腐坏的
Even young children have teeth so decayed they need to be pulled.
连幼儿也有这么严重的龋齿，需要拔掉。
不及物动词 If something such as a society, system, or institution decays, it gradually becomes weaker or its condition gets worse. (社会、制度或机构) 衰败
In practice, the agency system has decayed. Most "agents" now sell only to themselves or their immediate family.
实际上，这种代理制已经衰退。现在，大多数“代理人”都只把产品卖给自己或亲近的家人。
不可数名词 Decay is also a noun. 衰败
There are problems of urban decay and gang violence.
存在都市衰败和黑帮暴力问题。
the process of gradually becoming inferior
a gradual decrease; as of stored charge or current
同义词： decline
the organic phenomenon of rotting
同义词： decomposition
an inferior state resulting from the process of decaying
the corpse was in an advanced state of decay ; the house had fallen into a serious state of decay and disrepair
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
同义词： radioactive decay / disintegration
lose a stored charge, magnetic flux, or current
同义词： disintegrate / decompose
undergo decay or decomposition
The body started to decay and needed to be cremated
腐朽材-引用次数：2
腐朽术
腐朽
腐烂-引用次数：63
Moreover, postharvest Imazalil treatments also decreased decay of stored fruit and at 250ppm the result was better.
此外，Imazalil采后处理也能有效减少低温贮藏期间杏腐烂率，以250ppm处理效果较好。
腐烂-引用次数：64
High concentration of 1-MCP (2 M 1/L) treatment, however, inhibited PAL, POD activities during the later period of storage, thereby increasing decay incidence.4.
但高浓度（2μl／L）1-MCP处理，降低了菜用大豆贮藏后期的PAL、POD活性，使豆荚中木质素积累受抑，降低了豆荚抗病能力，导致豆荚褐腐病发生的增加 4、研究了不同浓度茉莉酸甲酯（MJ）处理对菜用大豆贮藏期间腐烂和衰老的影响。
参考来源菜用大豆采后生理及其保鲜技术研究
裂变
衰变
衰变-引用次数：9
The diffrence includes: the decay of two solitons is not synchronous, and two lower(higher) amplitude fundamental solitons are not totally alike.
衰变规律的不同主要表现在：两个二阶孤子并不是同时衰变，衰变后两个小(大)振幅基孤子并不完全相同。
参考来源单模光纤中二阶孤子间相互作用研究
衰减-引用次数：76
We derived learning rates for the least-square regression and density estimation on bounded domains under some decay conditions near the boundary on the marginal distribution of the probability measure for sampling.
当边缘分布函数在采样的定义域附近满足一定的衰减性条件,我们给出了最小平方形式下的回归函数和密度估计函数的学习率。
衰退-引用次数：4
The decay rate of the corresponding strong solution at infinity is also given for some kinds of initial data with exponential decay.
若其初值以指数方式衰退,且空间可微,则此强解在之后的时间内也将以指数方式衰退。
参考来源一类浅水波方程的研究
衰变-引用次数：2
衰落-引用次数：14
参考来源明代礼乐制度与乐章体词曲
衰减-引用次数：27
(运行中的人造卫星)能量消减：
(运行中的人造地球卫星的)能量消减；(轨道的)衰微，劣化
腐朽
衰变
腐败
蜕变;腐败
腐蚀;余辉
衰变
衰减
衰变
木材腐朽(Decay) 木材腐朽是指因真菌侵入而导致木材内部组成发生变化。 木材变色(Discoloration) 指原木过度暴露于阳光使其颜色发生变化。
critical 第四级 [形容词] 紧要的,关键性的,危急的 decay 第五级 [动词] 腐朽;衰退; [名词] 腐烂;蛀牙 demonstrated 第四级 demonstrate(示范操作(产品),展示) 的过去式及过去分词 ..
[核]衰变的类型1．α衰变（α decay）：【doc】临床核医学考试重点2．-衰变（- decay）：3．+衰变：4．γ衰变：[核]衰变规律【doc】临床核医学考试重点1．物理半衰期（physical half life，T1/2）：放射性核素衰变速率常...
... Damproompanel防潮镶板 Decay初腐 Deciduousspecies阔叶树种 ...
The place smelled of decay and neglect.
这地方有一股污浊腐朽的气味。
The smell of death and decay hung over the town.
城市上空弥漫着死亡和腐烂的气息。
There are problems of urban decay and gang violence.
存在都市衰败和黑帮暴力问题。
The decay of Christian belief and practice is not a loss but rather an opportunity for poetry, in Crane.
基督教信仰和践行的衰败,在克莱恩看来，并不是损失，反而是诗歌新生的机会。
现代诗歌课程节选 : 耶鲁公开课
But imagine that what's gone on is there's been decay of the brain structures that underwrite the cognitive functioning.
但这样设想一下,大脑的结构正在败坏,破坏了认知能力。
死亡课程节选 : 耶鲁公开课
Alpha particles are these helium nuclei, and they are the result of radioactive decay.
阿尔法粒子是氦核，它们是放射性衰变的产物。
固态化学导论课程节选 : 麻省理工公开课
Despite its graceful, moss-swathed decay, the gate is undeniably imposing, its four giant bodhisattva faces staring beatifically out.
Solving Russia's huge problems of poverty, decay and disease needs years, if not miracles.
That process of decay would result in the particles losing substantial amounts of energy.