decay

/dɪˈkeɪ/

the process of gradually becoming inferior

中文释义：腐烂；衰退；腐败

Tooth decay can be prevented by regular brushing and flossing.

定期刷牙和使用牙线可以预防蛀牙。

The decay of the old building was accelerated by years of neglect.

多年的忽视加速了这座旧建筑的腐朽。