1. The fruit decayed in the damp weather. 在潮湿的天气下，水果腐烂了。
2. The microorganism is the main cause of making the milk decayed. 这些微生物是造成牛乳腐败变质的主要原因。
3. The education system has also decayed during years of sanctions and neglect, and university students are graduating unprepared to enter the business world. 在经历多年的制裁与忽视，教育系统已经衰退，而即将大学毕业的学生还没有进入商业领域的准备。
英英解释
adj.
1. damaged by decay; hence unsound and useless
