新东方-柯林斯雅思备考词典

decay

英  [dɪˈkeɪ]
    

[NOUN, VERB]

    NOUN. 名词
  • 1[U 不可数名词] 腐坏

    Decay is the natural process by which something such as a dead body, a dead plant, or a tooth is gradually destroyed.

    近义词

    rot , destruction

    双语例句

    例:

    When not removed, plaque causes tooth decay and gum disease.

    牙斑如果不清除就会导致蛀牙和牙龈疾病。

    例:

    Radon is produced by the radioactive decay of uranium.

    氡是铀放射衰变产生的。

    2[U 不可数名词] 衰败

    Decay is the process by which something such as a society, system, or institution gradually becomes weaker or its condition gradually gets worse.

    反义词

    improvement

    双语例句

    例:

    There are problems of urban decay and gang violence.

    存在都市衰败和黑帮暴力问题。

    VERB. 动词
  • decays , decaying , decayed

    1[I 不及物动词] 腐坏

    When something such as a dead body, a dead plant, or a tooth decays, it is gradually destroyed by a natural process.

    近义词

    rot

    双语例句

    例:

    The bodies buried in the fine ash slowly decayed.

    埋在细灰里的尸体慢慢腐烂了。

    2[I 不及物动词] (社会、制度或机构)衰败

    If something such as a society, system, or institution decays, it gradually becomes weaker or its condition gets worse.

    双语例句

    例:

    In practice, the agency system has decayed. Most 'agents' now sell only to themselves or their immediate family.

    实际上,这种代理制已经衰落。如今,大多数“代理人”都只把产品卖给自己或亲近的家人。