decay

[di'kei]

v.(使)衰退, (使)腐败,腐烂
n.衰退, 腐败,腐烂

vi.

1. 腐朽, 腐烂; 蛀蚀

Sweet potatoes decayed after the frost.

霜下了之后, 红薯烂掉了。

2. 衰败; 衰退

The Turkish Empire decayed in the nineteenth century.

土耳其帝国在十九世纪时衰落。

vt.

1. 使腐朽, 使腐烂

2. 使(牙齿)蛀坏

Sweets can decay the teeth.

糖果会蛀蚀牙齿。

n.[U]

1. 腐朽, 腐烂; 蛀牙

They are figuring out a way to stop the decay of the ancient building.

他们在想办法阻止这古老建筑的朽坏。

2. 衰败; 衰退

His mental decay is distressing.

他的智力衰退令人苦恼。

3. (放射性物质的)蜕变

4. 人造卫星重返大气层的日期

词形变化

名词: decayer | 动词过去式: decayed | 动词过去分词: decayed | 动词现在分词: decaying | 动词第三人称单数: decays |

词义辨析

同义:

vi.腐朽, 腐烂; 衰败

rot  spoil  crumble  disintegrate  

同义参见:

decompose  wear  blight  rust  downfall  perish  addle  deteriorate  mold  lessen  

反义参见:

flourish  prosper  development  develop  

英英释义

名词 decay:

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 spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation

同义词：radioactive decay, disintegration

动词 decay:

lose a stored charge, magnetic flux, or current

同义词：disintegrate, decompose

fall into decay or ruin

同义词：crumble, delapidate

undergo decay or decomposition

补充

decaydecay英:[diˈkei] 美:[dɪˈke]vt. & vi.1.(使)腐烂, 腐朽The vegetables have begun to decay.那些蔬菜已开始腐烂。Sugar can decay the teeth.糖能腐蚀牙齿。vi.1.衰败, 衰退, 衰落Our powers decay in old age.我们的体力在老年时就衰退。n.1.腐败、衰退的状态The house is in decay.这栋房子已经坏了。

例句

1. the process of decay衰败过程 2. the decay of NATO as a war-fighting machine北大西洋公约组织作为战争机器的日渐式微 3. Many hospitals are in a state of decay.许多医院如今都处于衰败状态。 4. inner city decay内城的衰落 5. There are problems of urban decay and gang violence.存在城市没落和帮派暴力的问题。 6. When not removed, plaque causes tooth decay and gum disease.牙菌斑如果不及时清除, 会导致龋齿和齿龈问题。 7. dental decay in children儿童的龋齿问题 8. a decaying mansion日渐破败的宅第 9. decaying urban and rural areas衰落中的城乡地区 10. The system has decayed and will soon collapse.这一体系已经衰败不堪, 很快就会分崩离析。 11. The ground was scattered with decaying leaves.地上散落着腐烂的叶子。 12. The bodies buried in the fine ash slowly decayed.尸体埋在细灰中腐败速度很慢。 13. vegetation that was decaying腐烂中的草本 14. The tree began to decay as soon as it was cut down.树一被砍倒，它就开始腐朽。 15. It seems that all countries decay in time.看来所有国家都会逐渐衰败的。 16. His power decayed in old age.他一步入老年，体力就衰退了。 17. The magnetism decayed.磁性衰减了。 18. The orbit of a space satellite decayed.人造卫星轨道的能量消减了。 19. The dampness of the climate decayed the books and clothes.气候潮湿使书籍和衣服霉烂了。 20. Sugar can decay the teeth of the children.糖会蛀蚀孩子们的牙齿。 21. a jelly that rapidly decays into an unpleasant mush.很快会变成臭糊的果子冻。 22. [as adj. decaying]the odour of decaying fish.腐败的鱼臭味。 23. the fungus will decay soft timber.菌类会使软木材腐烂。 24. facilities decay when money is not spent on refurbishment.因为没有花钱整修，所以设施都受损了。 25. the moral authority of the party was decaying.该党的道德权威已日渐衰微。 26. the trapped radiocarbon begins to decay at a known rate.陷俘的放射性碳开始以已知速率衰变。 27. the time taken for the current to decay to zero.电流衰减到零所需的时间。 28. hardwood is more resistant to decay than softwood.硬木材比软木材耐腐。 29. the old barn rapidly fell into decay.老谷仓很快破败。 30. fluoride heals small spots of decay.氟化物可以治愈小创面。 31. the problems of urban decay.城市衰退的诸多问题。 32. the gas radon is produced by the decay of uranium in rocks and soil.气体氡是由岩石和土壤中的铀衰变产生的。 33. the decaying carcass of a dead sheep一头死羊的腐烂尸体 34. His business empire began to decay.他的商业王国开始衰落。 35. tooth decay蛀牙 36. The old farm was in a terrible state of decay.这旧农场已经一片荒芜。 37. Tomatoes that fall off the vine will decay [=rot] on the ground.从枝蔓上落下的番茄会在地上腐烂。 38. a dead fish decaying [=decomposing] on the beach海滩上腐烂的死鱼 39. the smell of decaying/decayed rubbish正在/已经腐烂的垃圾的气味 40. dead plants and leaves decayed by bacteria被细菌腐蚀的枯死的植物和树叶 41. She believes that the moral fiber of our society is decaying.她认为我们社会的道德力量在减弱。 42. our decaying public school system我们正在走向衰败的公立学校体系 43. His mind/health is beginning to decay. [=decline]他的思想/健康开始走下坡路了。 44. The city's neighborhoods are decaying.这座城市的住宅区在衰败。 45. a decaying mansion逐渐破败的大厦 46. the animal's decomposing flesh动物腐败的肉 47. Eventually the vegetation decomposes and is mixed with dirt and used in the garden.最终植物腐烂了，与泥土混在一起被用在花园里。 48. Flies swarmed around the rotting fruit.一群苍蝇围着腐烂的水果。 49. corpses putrefying on the battlefield战场上腐烂的尸体 50. The meat will spoil if it is not kept cold.肉类如果不冷藏会变质。 51. the decay of dead plants and leaves枯死植物和树叶的腐烂 52. tooth decay蛀牙 53. She writes about the moral decay of our society.她描写的是我们社会道德的败坏。 54. We're concerned about the decay [=deterioration] of our public school system.我们担心公立学校系统的衰败。 55. the patient's physical and mental decay病人体力和脑力的衰退 56. The city's neighborhoods are in slow decay.这座城市的住宅区在慢慢衰败。 57. She wants to restore an old theater that is falling into decay. [=falling into ruin]她想重建破败的老剧场。