Word · CEFR C2 · Frequency #8448
prolonged
延长；拖长
prolonged is the past of prolong.
核心释义
to make something last longer or continue for more time
- 1.
在空间或长度上延伸
To extend in space or length.
- 2.
延长；延长持续时间
To lengthen in time; to extend the duration of.
- 3.
推迟到较远的时间；延期。
To put off to a distant time; to postpone.
- 4.
变长；延长。
To become longer; lengthen.
延长；拉长；推迟；延期；变长；延长；在空间或长度上延伸；延长；延长持续时间
用法In use
The meeting was prolonged because of the heated debate.
用法提示：被动语态表示会议被延长
He took a break to avoid prolonging his headache.
用法提示：动名词形式作宾语
If you prolong the exposure, the photo will become overexposed.
用法提示：条件句中使用动词原形
prolong + noun
直接宾语，表示延长某事物。
The medicine can prolong your life.
这种药可以延长你的寿命。
prolong + noun + by + time phrase
用by短语表示延长的具体时长。
They prolonged the meeting by an hour.
相关词与表达Connections
搭配Collocations
- prolong life
- 延长寿命
- Regular exercise and a healthy diet can help prolong life.定期锻炼和健康饮食有助于延长寿命。
- prolong the agony
- 延长痛苦
- The doctors decided not to prolong the agony and let the patient go peacefully.医生决定不延长痛苦，让病人平静地离去。
- prolong negotiations
- 延长谈判
- Both sides agreed not to prolong negotiations unnecessarily.双方同意不必要地延长谈判。
- prolong a stay
- 延长停留
- We decided to prolong our stay in Paris for another week.我们决定在巴黎再延长停留一周。
- prolong the duration
学习提示Learner notes
记忆技巧Memory Tip
记住“pro”像“前”，“long”是“长”，往前拉长就是“延长”的意思。
语境与语域Context & Register
语域：formal 常见场景：正式书面语、学术/科技语境 prolong 通常用于正式或书面语境，表示‘延长’时间或过程。在医学、法律等专业领域也较常见。
语法说明Grammar Note
及物动词，后需接宾语。
发音与拼写Pronunciation & Spelling
这些词与prolong押韵（/ɒŋ/），但注意prolong的重音在第二音节，其他词的重音位置可能不同。
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
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Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY, WORDNET.