decays

英 [dɪˈkeɪz]

美 [dɪˈkeɪz]

v.  (使)腐烂，腐朽; (建筑、地方等)破败，衰落，衰败; (力量、影响等)衰弱，衰退，衰减
decay的第三人称单数

柯林斯词典

• VERB (尸体或死去的植物）腐烂，腐朽，腐败;(牙齿）遭蛀蚀
  When something such as a dead body, a dead plant, or a toothdecays, it is gradually destroyed by a natural process.
  1. The bodies buried in the fine ash slowly decayed...
     埋在灰烬里的尸体慢慢地腐烂了。
  2. The ground was scattered with decaying leaves.
     地上满是腐败的落叶。
  3. Decayis also a noun.
     
  4. When not removed, plaque causes tooth decay and gum disease.
     牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。
• VERB (社会、制度、机构等）衰败，衰退，衰落
  If something such as a society, system, or institutiondecays, it gradually becomes weaker or its condition gets worse.
  1. Popular cinema seems to have decayed...
     大众电影似乎已经衰落了。
  2. Congress has tried dozens of approaches to revitalize decaying urban and rural areas.
     国会已试行过数十种方法来重振正在走向衰败的城乡地区。
  3. Decayis also a noun.
     
  4. There are problems of urban decay and gang violence.
     存在城市衰败和帮派暴力的问题。

双语例句

• Reservoirs behind dams flood vegetation, which decays, releasing methane and soil carbon.
  大坝背后的水库会淹没植被，使之腐烂，释放出甲烷和土壤碳。
• Further energy is given off in their decays.
  放射性衰变引起的反冲在它们蜕变时又放出一些能量。
• Most of that energy is released when the plant dies and decays.
  当植物死亡和腐烂时大部分的能量释放。
• But gradually the wood in them decays and the beavers add more and more mud to repair them.
  然而，堤内的木头会渐渐腐烂，于是河狸又往堤上加更多的泥巴来修补。
• It decays linearly in time.
  浓度随时间线性衰减。
• Each civilization is born, it culminates, and it decays.
  各种文明都要经历诞生、鼎盛和衰亡。
• The more the room is filled with absorbent the faster the sound decays.
  房间的吸收率越高，声音就衰减得越快。
• However, sometimes organism ( organic) matter is buried before it decays completely.
  然而有时候有机物会在被完全分解之前就已被埋葬了。
• The resulting shock wave starts supersonically and decays into the loud sound known as thunder.
  冲击波以超音速启动并迅速衰减成巨大的雷声。
• Most of their energy is released when the plant dies and decays.
  其中大多数的能量在植物死去或腐败之后被释放出来。