decay rapidly
collocation迅速衰退
If left untreated, the food will decay rapidly.
如果不加处理，食物会迅速腐烂。
恶化；衰退；衰败
decayed — past of decay
先理解核心含义，再看它在真实句子里的用法。
恶化；衰退；衰败
To become worse in quality, strength, or health; to decline or deteriorate.
Fruit will decay quickly in a warm environment.
水果在温暖的环境中会迅速腐烂。
衰退；恶化；衰弱
To deteriorate, to get worse, to lose strength or health, to decline in quality.
腐烂；变质
To rot, to go bad.
衰变；放射性衰变
To change by undergoing fission, by emitting radiation, or by capturing or losing one or more electrons; to undergo radioactive decay.
光学衰减；退激
To undergo optical decay, that is, to relax to a less excited state, usually by emitting a photon or phonon.
decay
Base
原形
decays
3rd person
第三人称单数
decaying
-ing
现在分词
decayed
Past
过去式
decayed
Past participle
过去分词
Wood decays quickly in moist conditions.
木头在潮湿条件下迅速腐烂。
The ancient kingdom decayed over centuries.
这个古老的王国在几个世纪中衰败了。
The food has decayed and cannot be eaten.
食物已腐烂，不能吃了。
常规动词，加-ed构成过去式和过去分词。
The abandoned house is slowly decaying.
废弃的房子正在慢慢腐烂。
The acidic fumes have decayed the metal pipes.
酸性气体已经腐蚀了金属管道。
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迅速衰退
If left untreated, the food will decay rapidly.
如果不加处理，食物会迅速腐烂。
衰退成
The empire decayed into a state of chaos.
帝国衰退成一片混乱状态。
随时间衰退
All organic matter decays over time.
所有有机物都会随时间腐烂。
自然腐烂
The leaves were left to decay naturally on the forest floor.
树叶被留在森林地面上自然腐烂。
逐渐衰败
The old building decayed away after years of neglect.
那座老建筑在多年忽视后逐渐败落。
四周一无所有，唯有那巨大残骸的衰败/无边无际，一片荒凉/寂寞而平坦的沙尘延伸至远方。
The decay of ancient monuments reminds us of the fleeting nature of power.
古代遗迹的衰败提醒我们权力的短暂。
发长 /eɪ/ 音 (如 day, play)
Use decayed naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象“de”像“低”，“cay”音似“钙”，钙质流失导致骨头衰退腐败。
语域：neutral 常见场景：biological decomposition、gradual decline 通常用于描述物质腐烂或抽象事物的逐渐衰退过程。
All listed words end with the /eɪ/ sound, making them rhyme with 'decay'. They also share the common spelling pattern '-ay'.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.