deteriorate

deteriorate
[dɪˈtɪərɪəreɪt]
verb
  1. [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.
    恶化的经济状况。
派生
deterioration
noun
deteriorative
adjective
语源
  1. late 16th cent. (used transitively in the sense 'make worse'): from late Latin deteriorat- 'worsened', from the verb deteriorare, from Latin deterior 'worse'
英语宝典
考试词汇表