Word · Frequency #23047
decayed
腐烂的；腐朽的
Having undergone decay; rotted.
- 1.
Having undergone decay, rotted.
已腐烂的；腐朽的。
已腐烂的；腐朽的。；腐烂的；腐败的；衰退的
In use
The old wooden fence had decayed and was falling apart.
The dentist removed the decayed tooth to prevent infection.
After years of neglect, the once vibrant neighborhood had become decayed and unsafe.
decayed + noun
decayed 作定语，直接修饰名词。
The dentist filled a decayed tooth.
牙医补了一颗蛀牙。
be + decayed
be decayed 表示处于腐烂的状态。
This wood is decayed and unsafe to build with.
这木头已经腐朽，不宜用来建造。
become + decayed
become decayed 强调从完好转为腐烂的变化过程。
Left in the rain, the cardboard became decayed within weeks.
纸板放在雨中，几周内就腐烂了。
Common mistakes
I have decayed tooth.I have a decayed tooth.
decayed tooth 表示“一颗蛀牙”，是可数名词短语，单数形式前必须加不定冠词 a/an；汉语没有冠词，所以学习者容易漏掉 a。
The dentist pulled out two decayed tooth.The dentist pulled out two decayed teeth.
tooth 的复数是不规则形式 teeth，前面有 two 修饰时名词必须用复数，不能用单数 tooth。
Connections
Collocations
- decayed teeth
- 蛀牙；腐烂的牙齿
- The dentist said my decayed teeth needed fillings.牙医说我的蛀牙需要补。
- decayed wood
- 腐朽的木头
- The old shed was built from decayed wood and collapsed easily.旧棚屋是用腐朽的木头建的，很容易就塌了。
- decayed matter
- 腐烂的物质；腐殖质
- The soil was rich in decayed matter from fallen leaves.土壤富含落叶形成的腐烂物质。
- decayed remains
- 腐烂的遗骸；腐烂的残骸
- Archaeologists found the decayed remains of an ancient boat.考古学家发现了一艘古船的腐烂残骸。
- decayed leaves
- 腐烂的叶子
- A thick layer of decayed leaves covered the forest floor.森林地面上覆盖着厚厚一层腐烂的叶子。
- decayed flesh
Learner notes
Memory Tip
联想牙医说“tooth decay（蛀牙）”，decayed 就是已经烂掉的状态，字母 -ed 表示“已经”，眼前浮现一颗蛀空的牙。
Context & Register
语域：formal 常见场景：dental/medical reports、scientific writing、literary description decayed 多用于正式或技术性语境，如牙科、生物学或文学描写；日常口语中更常说 rotten。
Pronunciation & Spelling
played, obeyed, afraid, and made all end with the /eɪd/ sound and rhyme with decayed. The same sound is spelled 'ay' in decayed and played, 'ey' in obeyed, 'ai' in afraid, and 'ade' in made. said looks similar to afraid (both contain 'aid') but is pronounced /sed/ and does not rhyme.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.