Word · Frequency #6007
decaying
恶化；衰退；衰败
decaying is the present participle of decay.
核心释义
To become worse in quality, strength, or health; to decline or deteriorate.
- 1.
衰退；恶化；衰弱
To deteriorate, to get worse, to lose strength or health, to decline in quality.
- 2.
腐烂；变质
To rot, to go bad.
- 3.
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.
- 4.
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.
- 5.
因阻力导致的空速损失
Loss of airspeed due to drag.
- 6.
使腐烂；使变质
To cause to rot or deteriorate.
- 7.
数组退化为指针
Of an array: to lose its type and dimensions and be reduced to a pointer, for example when passed to a function.
腐烂；变质；使腐烂；使衰败；衰变；退激；光衰减；空速衰减；减速
用法In use
Fruit will decay quickly in a warm environment.
用法提示：动词decay的一般将来时形式，表示'腐烂'
The abandoned house is slowly decaying.
用法提示：动词decay的现在进行时形式，表示'腐烂'
The acidic fumes have decayed the metal pipes.
用法提示：动词decay的现在完成时形式，及物用法，表示'腐蚀'
decay into sth
多用于物理语境，指通过衰变变成另一种物质；也可比喻逐渐变成某种（通常更糟的）状态。
The radioactive isotope decays into a stable element.
这种放射性同位素会衰变成一种稳定的元素。
be left to decay
被动结构，强调无人照管、任其自然损坏或退化。
The old theatre was left to decay for decades.
相关词与表达Connections
搭配Collocations
- decay rapidly
- 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。
- decay into
- 衰退成
- The empire decayed into a state of chaos.帝国衰退成一片混乱状态。
- decay over time
- 随时间衰退
- All organic matter decays over time.所有有机物都会随时间腐烂。
- decay naturally
- 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。
- decay away
- 逐渐衰败
学习提示Learner notes
记忆技巧Memory Tip
想象“de”像“低”，“cay”音似“钙”，钙质流失导致骨头衰退腐败。
语境与语域Context & Register
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。
发音与拼写Pronunciation & Spelling
All listed words end with the /eɪ/ sound, making them rhyme with 'decay'. They also share the common spelling pattern '-ay'.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.