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

• 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。
• Furthermore, light intensity decays accordingly to a given ratio of the distance from the lamp.
  另外，光线强度按比例随着与到灯之间的距离的拉大而减小。
• The nucleus decays into three particles which go off in separate directions.
  这个核衰变成飞向不同方向的三个粒子。
• It decays linearly in time.
  浓度随时间线性衰减。
• 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。
• 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 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。
• In addition, unused ozone naturally and quickly decays to oxygen.
  除此之外，不用的新鲜空气自然地而且很快地衰退到氧。
• B meson decays are important places to test the standard model and search for possible new physics beyond the SM for their special qualities.
  介子衰变过程以其独特的性质成为检验标准模型，探索新物理的重要场所，是当前粒子物理学的一个重要研究领域。
• Let us calculate first how much energy is released when a free neutron decays.
  让我们首先来计算一个自由中子的衰变会释放出多少能量。