(每日一词）deteriorate

deteriorate /dɪˈtɪəriəreɪt/ v. 变坏；恶化；退化

1) 助记：de-向下，否定

2) 助记：ter-糟糕，坏（terrible）

3) 后缀：-orate 动词后缀

e.g. She was taken into hospital last week when her condition suddenly deteriorated.她是在上周病情突然恶化时被送进医院的。