decay

英 [dɪˈkeɪ]

美 [dɪˈkeɪ]

n.  腐烂; 腐朽; (社会、机构、制度等的)衰败，衰退，衰落
v.  (使)腐烂，腐朽; (建筑、地方等)破败，衰落，衰败; (力量、影响等)衰弱，衰退，衰减

现在分词：decaying　过去分词：decayed　第三人称单数：decays　复数：decays　过去式：decayed　

CET4CET6考研TOEFLIELTSTEM4TEM8

Oxford 3000 / Collins.2 / BNC.6007 / COCA.7931

同义词辨析

decayputrefyrot【导航词义：腐败，腐烂】

牛津词典

noun

• 腐烂；腐朽
  the process or result of being destroyed by natural causes or by not being cared for (= of decaying)
  1. tooth decay
     蛀牙
  2. The landlord had let the building fall into decay .
     房东不管，房子已经破烂不堪。
  3. 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。
• （社会、机构、制度等的）衰败，衰退，衰落
  the gradual destruction of a society, an institution, a system, etc.
  1. economic/moral/urban decay
     经济衰退；道德败坏；城市衰落
  2. the decay of the old industries
     旧工业的衰败

verb

• （使）腐烂，腐朽
  to be destroyed gradually by natural processes; to destroy sth in this way
  1. decaying leaves/teeth/food
     烂叶；蛀齿；腐烂食物
• （建筑、地方等）破败，衰落，衰败
  if a building or an area decays , its condition slowly becomes worse
  1. decaying inner city areas
     衰败中的旧城区
• （力量、影响等）衰弱，衰退，衰减
  to become less powerful and lose influence over people, society, etc.
  1. decaying standards of morality
     日趋低下的道德标准

柯林斯词典

• 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 toothdecays, it is gradually destroyed by a natural process.
  1. The bodies buried in the fine ash slowly decayed...
     埋在灰烬里的尸体慢慢地腐烂了。
  2. The ground was scattered with decaying leaves.
     地上满是腐败的落叶。
  3. Decayis also a noun.
     
  4. 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。
• VERB (社会、制度、机构等）衰败，衰退，衰落
  If something such as a society, system, or institutiondecays, it gradually becomes weaker or its condition gets worse.
  1. Popular cinema seems to have decayed...
     大众电影似乎已经衰落了。
  2. 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。
  3. Decayis also a noun.
     
  4. There are problems of urban decay and gang violence.
     存在城市衰败和帮派暴力的问题。

英英释义

noun

• the organic phenomenon of rotting
  Synonym:decomposition
• a gradual decrease
  Synonym:decline
• the process of gradually becoming inferior
• the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
  Synonym:radioactive decaydisintegration
• an inferior state resulting from the process of decaying
  1. the corpse was in an advanced state of decay
  2. the house had fallen into a serious state of decay and disrepair

verb

• fall into decay or ruin
  1. The unoccupied house started to decay
  Synonym:crumbledilapidate
• lose a stored charge, magnetic flux, or current
  1. the particles disintegrated during the nuclear fission process
  Synonym:disintegratedecompose
• undergo decay or decomposition
  1. The body started to decay and needed to be cremated

双语例句

• Cavities in teeth are caused by decay.
  牙齿上的空洞是由龋蚀造成的。
• Cranberries may help prevent tooth decay and cavities, research suggests.
  研究指出，小红莓可助防止蛀牙和蛀洞。
• 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。
• The bodies buried in the fine ash slowly decayed
  埋在灰烬里的尸体慢慢地腐烂了。
• The old civilization was fast falling into decay.
  旧文化很快地衰落下去。
• The ground was scattered with decaying leaves.
  地上满是腐败的落叶。
• Buildings are left to decay at the mercy of vandals and the weather
  建筑物因人为的肆意破坏及日晒雨淋而日益破败。
• Chemistry also uses calculus in determining reaction rates and radioactive decay.
  化学也使用演算在确定反应速率和放射性衰变。
• The antimuon decay also conserves the total light and heavy lepton numbers.
  在反μ子衰变中，总轻轻子数和总重轻子数也是守恒的。
• The theory of alpha decay utilizes this model.
  α衰变理论用了这种模型。