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deteriorate (vi.)
不及物用法，主语是恶化的事物。
The patient's condition is deteriorating rapidly.
病人的状况正在迅速恶化。
恶化；变坏
先理解核心含义，再看它在真实句子里的用法。
恶化；变坏
to become worse or disintegrate; to make something worse
The patient's condition is deteriorating rapidly.
病人的状况正在迅速恶化。
使恶化；使质量或价值降低；损害。
To make worse; to make inferior in quality or value; to impair.
恶化；质量变差；退化。
To grow worse; to be impaired in quality; to degenerate.
deteriorate
Base
原形
deteriorates
3rd person
第三人称单数
deteriorating
-ing
现在分词
deteriorated
Past
过去式
deteriorated
Past participle
过去分词
The situation deteriorates quickly.
情况迅速恶化。
If the rain continues, the quality of the road will deteriorate quickly.
如果雨继续下，这条路的质量会很快恶化。
His health has deteriorated since he stopped taking the medicine.
自从停止服药以来，他的健康状况恶化了。
The old building's condition is deteriorating year by year.
这座旧楼的情况一年比一年差。
不及物用法，主语是恶化的事物。
The patient's condition is deteriorating rapidly.
病人的状况正在迅速恶化。
表示恶化成某种更糟的状态。
The argument deteriorated into a fight.
争论恶化成了打斗。
表示从一种状态恶化到另一种状态。
Relations between the two countries deteriorated from bad to worse.
两国关系从不好恶化到更糟。
及物用法，主语是导致恶化的因素。
Lack of maintenance deteriorated the building's structure.
缺乏维护使建筑结构恶化了。
Not this
The deteriorate of the building is obvious.
Use this
The deterioration of the building is obvious.
“deteriorate”是动词，此处需要名词形式“deterioration”。
Not this
His health is deteriorate.
Use this
His health is deteriorating.
“deteriorate”是动词，不能直接跟在系动词后作表语，应使用现在分词形式表示正在恶化。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
迅速恶化
His health deteriorated rapidly after the surgery.
手术后他的健康状况迅速恶化。
进一步恶化
The situation is expected to deteriorate further.
预计情况将进一步恶化。
恶化成
The argument deteriorated into a physical fight.
争论恶化成了肢体冲突。
持续恶化
Air quality continues to deteriorate in major cities.
主要城市的空气质量持续恶化。
随时间恶化
Without maintenance, the building will deteriorate over time.
没有维护，这座建筑会随时间而恶化。
由于...而恶化
The patient's condition deteriorated due to lack of treatment.
由于缺乏治疗，病人的情况恶化了。
Use deteriorate naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将de（向下）和terior（类似terrible）联想，意为‘变得更糟’，即恶化。
常用于描述健康、关系、条件等逐渐变差的情况，正式和非正式语境均可使用。通常不带宾语时表示自动恶化，带宾语时表示使恶化。
These words share the spelling ending '-orate' but do not rhyme with 'deteriorate' (diˈtiəriəreit) because the stressed vowel /iə/ differs; the listed words have stressed vowels /æ/, /ɑː/, /ɔː/, or /ɜː/.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.