查词历史：
- decay
1.
VERB
(尸体或死去的植物）腐烂，腐朽，腐败;(牙齿）遭蛀蚀 When something such as a dead body, a dead plant, or a tooth decays, it is gradually destroyed by a natural process.
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The bodies buried in the fine ash slowly decayed...
埋在灰烬里的尸体慢慢地腐烂了。
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The ground was scattered with decaying leaves.
地上满是腐败的落叶。
- Decay is also a noun.
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When not removed, plaque causes tooth decay and gum disease.
牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。
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decayed
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...decayed teeth.
蛀牙
2.
VERB
(社会、制度、机构等）衰败，衰退，衰落 If something such as a society, system, or institution decays, it gradually becomes weaker or its condition gets worse.
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Popular cinema seems to have decayed...
大众电影似乎已经衰落了。
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Congress has tried dozens of approaches to revitalize decaying urban and rural areas.
国会已试行过数十种方法来重振正在走向衰败的城乡地区。
- Decay is also a noun.
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There are problems of urban decay and gang violence.
存在城市衰败和帮派暴力的问题。
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- Noun
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1. the process of gradually becoming inferior
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2. a gradual decrease; as of stored charge or current
- synonym： decline
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3. the organic phenomenon of rotting
- synonym： decomposition
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4. 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"
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5. the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
- synonym： radioactive decay，disintegration
- Verb
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1. lose a stored charge, magnetic flux, or current;
- "the particles disintegrated during the nuclear fission process"
- synonym： disintegrate，decompose
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2. fall into decay or ruin;
- "The unoccupied house started to decay"
- synonym： crumble，delapidate
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3. undergo decay or decomposition;
- "The body started to decay and needed to be cremated"
医学
- 1.①腐化，腐烂：死亡的有机物逐渐分解；②衰变，蜕变：衰退的过程或时期，如衰老化
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- 1.衰变
物理学
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- 1.衰变
- 2.在原子核物理中又称“蜕变(disintegra-tion)”。
电力
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- 1.衰变
计算机
- 1.衰变，衰减
- 1. Bacteria sticks to food debris in the teeth, causing decay.
- 细菌附着在牙缝中的食物残渣上，道致蛀牙。
来自《简明英汉词典》
- 2. Cavities in teeth are caused by decay.
- 牙齿上的空洞是由龋蚀造成的。
来自《现代汉英综合大词典》
- 3. Coal of all kinds originated from the decay of plants.
- 各种煤都是由植物的朽烂形成的。
来自《现代英汉综合大词典》
- 4. Each civilization is born, it culminates, and it decay.
- 各种文明都要历经诞生，鼎盛和衰落。
来自《用法词典》
- 5. Fruit tends to decay.
- 水果易于腐烂。
来自《现代英汉综合大词典》
- 6. His teeth began to decay.
- 他的牙齿开始龋蚀。
来自《现代英汉综合大词典》
- 7. Our powers decay in old age.
- 我们的体力在老年时就衰退。
来自《简明英汉词典》
- 8. Salt preserves food from decay.
- 盐能防止食物腐烂。
来自《现代英汉综合大词典》
- 9. Some utensils were in a state of decay when they were unearthed.
- 有些器皿在出土时已经残破。
来自《现代汉英综合大词典》
- 10. Stone does not decay, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
- 石头是不腐败的，因此远古年代的工具至今尚存，即使制造这些工具的人的骨头已经毫无痕迹地消失了。
来自《用法词典》
- 11. Sugar can decay the teeth.
- 糖能腐蚀牙齿。
来自《简明英汉词典》
- 12. Sugar can decay the tooth.
- 糖会腐蚀牙齿。
来自《现代英汉综合大词典》
- 13. The corpse was preserved from decay by embalming.
- 尸体用香料涂抹以防腐烂。
来自《简明英汉词典》
- 14. The decay of the meat could have been prevented by proper refrigeration.
- 如果经过适当的冷藏，这些肉本来不至于腐烂掉。
来自《简明英汉词典》
- 15. The house is in decay.
- 这栋房子已经坏了。
来自《简明英汉词典》
- 16. The old civilization was fast falling into decay.
- 旧文化很快地衰落下去。
来自《现代汉英综合大词典》
- 17. The old house fell into decay.
- 那幢旧房子腐朽了。
来自《简明英汉词典》
- 18. The timber has started to decay.
- 木材已开始腐烂。
来自《简明英汉词典》
- 19. The vegetables have begun to decay.
- 那些蔬菜已开始腐烂。
来自《简明英汉词典》
- 20. The wood is treated with preservative to prevent decay.
- 这块木头用防腐剂处理过以防止腐烂。
来自《简明英汉词典》
