decays
[di'kei]
[ decays ]
v.(使)衰退, (使)腐败,腐烂
n.衰退, 腐败,腐烂
例句与用法：
The dentist could detect no decay in her teeth.
牙医检查了她的牙，未见有龋齿。
A source of spreading corruption or decay.
腐败的原因传布腐败或腐朽的根源
Death and decay of body tissue, often occurring in a limb, caused by insufficient blood supply and usually following injury or disease.
坏疽软组织坏死或衰退，经常由供血不足和紧接着的受伤或疾病而发生在四肢
What made the Roman Empire decay?
罗马帝国为何衰亡？
The dampness of the climate decayed the books.
气候潮湿，把书都霉坏了。
词形变化：
名词: decayer | 动词过去式: decayed | 动词过去分词: decayed | 动词现在分词: decaying | 动词第三人称单数: decays |