decayed

• 指已经腐烂、腐败或变质，通常用于有机物或结构随时间而损坏、衰败的情况。

Describes something that has undergone decomposition or rot, often referring to organic matter or structures that have deteriorated over time.

1. Rotten or decomposedB1formal

   Having undergone decomposition or rot, often due to age or bacterial action.

   腐烂的

   • The old wooden fence was decayed and falling apart.
   • They found a decayed log in the forest.
   • The fruit had become decayed and smelled terrible.

   同义词corruptedmoldymouldyputridrancidrottenspoiled

   反义词freshsound

2. Deteriorated or weakenedB2formal

   Having declined in quality, strength, or condition over time.

   衰败的

   • The decayed infrastructure of the city needs urgent repairs.
   • His health was decayed after years of neglect.
   • The once-grand mansion now stood decayed and abandoned.

   同义词corrodeddegradedputridrottenweakenedworn

   反义词freshhealthyrobustsoundstrongvigorous

• 表示逐渐变坏、减弱或破坏的过程的动词；也可指腐烂或分解。

A verb used to indicate the process of gradually becoming worse, weaker, or less sound; to rot or decompose.

1. Decompose or rotB2formalscientific

   To break down or decompose gradually due to natural processes, especially by bacteria or fungi.

   腐烂

   • The fallen leaves decay and enrich the soil.
   • If food is left out, it will decay quickly.
   • The old wooden fence began to decay after years of rain.

   同义词break downdecomposedisintegratego badmolderputrefyrotspoil

   反义词embalmhardenpetrifypreserve

2. Radioactive decayC1formalscientific

   To undergo a process where an unstable atomic nucleus loses energy by emitting radiation.

   放射性衰变

   • Uranium-238 decays into thorium-234 over time.
   • The scientists measured how quickly the isotope decays.
   • Radioactive decay releases energy in the form of particles.

   同义词disintegrate

3. Deteriorate or declineB2formal

   To gradually become worse in quality, strength, or condition.

   衰败

   • The old building's structure began to decay from neglect.
   • His health started to decay after the accident.
   • The city's infrastructure is decaying due to lack of funding.

   同义词corrodecrumbledeclinedecomposedegeneratedeterioratedisintegrateerodego badmolderputrefyrotspoilworsen

   反义词flourishimproverestorestrengthenthrive