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| VERB |
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| /dɪˈkeɪ/ |
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| 1 | I/T to be gradually destroyed as a result of a natural process of change , or to destroy something in this way （使）腐烂；（使）腐败 |
| As dead trees decay, they feed the soil. 枯树腐烂能使土壤更肥沃。 |
| Too much sugar will decay your teeth. 吃太多糖会蛀蚀牙齿。 |
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| 2 | I if a building or an area decays, its state gradually gets worse because it has not been looked after （因疏于照管而）逐渐破败，逐渐损坏 |
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| 3 | I to become gradually worse in quality , or weaker in power or influence （品质）变糟；（权力或影响）衰退，衰败 |
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