deteriorate
/dɪˈtɪərɪəreɪt/verb
no obj.
- become progressively worse恶化, 不断变坏：
relations between the countries had deteriorated sharply
国家间的关系急剧恶化
as adj. deteriorating deteriorating economic conditions.日益恶化的经济状况。
派生词
deterioration
noundeteriorative
adjective词源
late 16th cent. （used transitively in the sense 'make worse'）： from late Latin deteriorat- 'worsened'， from the verb deteriorare, from Latin deterior 'worse'.