| 释义 |
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. 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. 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. 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。
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