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TOEFL IELTS BNC: 6007 COCA: 7931
decay
★
verb [I] /dɪˈkeɪ/
present tense
I/you/we/theydecay
he/she/itdecays
present participledecaying
past tensedecayed
past participledecayed
  1. 1
    to be gradually destroyed as a result of a natural process of change （使）腐烂；（使）腐败

    As dead plants decay, they release mineral salts into the soil. 枯死植物在腐烂过程中，会释放矿物盐到土壤中。

     Synonyms and related words
    To decay, or to rot: biodegrade, curdle, decay...
  2. 2
    if a building or an area decays, its state gradually gets worse because it has not been looked after （因疏于照管而）逐渐破败，逐渐损坏
     Synonyms and related words
    To decay, or to rot: biodegrade, curdle, decay...
  3. 3
    to become gradually worse in quality, or weaker in power or influence （品质）变糟；（权力或影响）衰退，衰败
     Synonyms and related words
    To become worse: worsen, decline, deteriorate...
decay
★
noun [U] /dɪˈkeɪ/
  1. 1
    the gradual destruction of something as a result of a natural process of change 腐烂；腐败

    Bacteria cause the decay of dead plants and animals. 细菌使死去的植物和动物腐烂。

    Sweets cause tooth decay. 糖果会引起蛀牙。

     Synonyms and related words
    Destruction and damage: damage, destruction, harm...
    1. a.
      the part of something that has gradually been destroyed 腐烂部分
       Synonyms and related words
      Signs of damage: a blot on something, blemish, blight...
  2. 2
    the process by which a building or an area gradually gets into a worse state because it has not been looked after （因疏于照管而）逐渐毁坏，破损

    urban decay 城市的破损

    fall into decay (=get into a worse state) 衰败；破败 :

    The farmhouse fell into disuse and decay. 农舍被废弃，变得破烂不堪。

     Synonyms and related words
    Destruction and damage: damage, destruction, harm...
  3. 3
    the process of becoming gradually worse in quality, or weaker in power or influence 衰退；衰败

    the social and moral decay of the country 该国的社会和道德沦丧

     Synonyms and related words
    Changes for the worse: contamination, regression, lapse...
TOEFL IELTS BNC: 6007 COCA: 7931
decay

noun

ADJECTIVE | VERB + DECAY | PREPOSITION | PHRASES ADJECTIVE➤rapid迅速腐爛▸➤slow慢慢腐爛▸➤dental, tooth蛀牙▸➤industrial, urban工業衰敗；城市衰落▸➤moral, physical, social道德敗壞；身體衰弱；社會衰落VERB + DECAY➤cause導致腐爛◇Bacteria stick to food debris in the teeth, causing decay.細菌附着在牙縫中的食物殘渣上，導致蛀牙。➤stop阻止衰退◇Without a lot of money, the mayor won't be able to stop urban decay.若沒有大量的資金，市長就無法阻止城市的衰落。➤reverse扭轉頹勢◇This government promises to reverse industrial decay.這屆政府承諾扭轉工業衰退的局面。➤prevent防止腐爛◇The wood is treated with preservative to prevent decay.這塊木頭用防腐劑作過防腐處理。➤fall into陷入衰敗狀態◇old buildings that had fallen into decay日趨破敗的舊建築PREPOSITION➤in decay在衰敗中◇The derelict buildings are the signs of a town in decay.這些荒廢的建築兆示着一個城市的衰落。➤decay in⋯的衰退◇Smoking accelerates decay in the heart and arteries.吸煙加速心臟和動脈的老化。➤decay of⋯的衰敗◇the slow decay of the castle and the surrounding buildings城堡和周圍建築物的緩慢破敗PHRASES➤the process of decay衰退過程▸➤signs of decay腐蝕跡象◇My dentist could not find any signs of decay.牙醫找不到我的牙齒有任何蛀蝕的跡象。➤an odour/odor of decay, a smell of decay, a stench of decay腐爛的臭味◇A smell of decay pervaded the air.空氣中瀰漫着一股腐臭味。➤a state of decay衰敗狀態
TOEFL IELTS BNC: 6007 COCA: 7931

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