decay/dɪ'keɪ/

v. (cause sth to) become gradually damaged, worse or less

v. [I; T] （使）腐烂：The body started to decay. 尸体开始腐烂。

◇a decayed tooth 蛀牙

音组-ay/-eɪ/

betray; decay; gray; hooray; pray; ray; spray