prolong
- vt.延长
过去式： prolonged 现在分词： prolonging 过去分词： prolonged 第三人称单数： prolongs
pro- 向前,在前 + long 长
prolongverb
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1
- lengthen in time;cause to be or last longer
- We prolonged our stay
- She extended her visit by another day
- The meeting was drawn out until midnight
- Synonym: protract extend draw out
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2
- lengthen or extend in duration or space
- We sustained the diplomatic negotiations as long as possible
- prolong the treatment of the patient
- keep up the good work
- Synonym: sustain keep up
数据来源：WordNet
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A long drawn out war would likely deepen and prolong the recession .
一场旷日持久的战争很可能会使衰退程度加剧，时间延长。
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It 's safe to eat foods that have been irradiated to prolong their shelf life .
食用经过辐射杀菌处理、延长了保质期的食品是安全的。
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The operation could prolong his life by two or three years .
这次手术可使他多活两三年。
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Don 't prolong the agony ─ just tell us who won !
别卖关子了——快说谁赢了！
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He left the stage to prolonged applause .
他在经久不息的掌声中退下了舞台。
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At that point Franco was desirous of prolonging the war .
那时，佛朗哥希望战争能延续下去。
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Prolonged strike action debilitated the industry .
长时间的罢工削弱了这个行业的活力。
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Paul prolonged his education with six years of advanced study in English .
保罗延长了他的受教育时间，打算花6年时间深造英语。
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He did not want his life to be prolonged by artificial means .
他不想靠人为方式延长生命。
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The actual action of the drug can be prolonged significantly .
这种药物实际起作用的时间可以大大延长。
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Mr Chesler said foreign military aid was prolonging the war
切斯勒先生说国外的军事援助拉长了战事。
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It is easier to cope with short bursts of activity than with prolonged exercise
和长时间的锻炼相比，短期内加强活动更容易应付。
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The fall in inflation is the silver lining of the prolonged recession .
通货膨胀的下降是长期经济衰退中的一线转机。
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Goodyear could be vulnerable in a prolonged economic slump .
经济长期疲软可能会对固特异公司造成影响。
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The wood had become swollen from prolonged immersion .
因长时间浸泡，木头发胀了。
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A prolonged drought had necessitated the introduction of water rationing
由于持续干旱，用水需要实行配给了。
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The corruption does not seem to have muted the country 's prolonged economic boom .
腐败似乎没有影响国家经济的持续繁荣。
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Giovanni plied him with questions with the intention of prolonging his stay .
乔瓦尼一个劲儿地问他问题，想要拖住他。
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Prolonged negotiation was not desirable
拖长了的谈判并不是大家所想要的。
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He tried hard to prolong his mother 's life .
他尽一切努力来延长母亲的生命。
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The treaty has been prolonged for another 5 years .
这个条约又延长了5年。
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The treaty has been prolonged for another ten years .
条约延长10年。
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The meeting was prolonged into the evening .
会议一直拖到晚上。
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To save time is to prolong life .
节省时间等于延长寿命。
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Many countries have gained national independence after prolonged struggles .
许多国家经过长期斗争而获得了民族独立。
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Hospitalization may be prolonged .
住院期可能延长。
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Cystitis and urethritis are complications of prolonged use of indwelling catheters .
膀胱炎和尿道炎是长期应用留置导尿管的并发症。
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The crowd answered him with prolonged applause .
群众对他报以长时间的掌声。
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We have had unseasonable weather all through the year : prolonged drought in spring , hailstorms in summer , and too much rain in autumn .
今年时令不正，春旱秋涝，夏天又闹雹灾。
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In the past 12 months , Nigeria has suffered from a shrinking economy , a sliding currency , and a prolonged fuel shortage .
在过去12个月中，尼日利亚饱受经济萎缩、货币贬值及燃料持续短缺之苦。
多指在空间、时间、面积等方面延长或扩展。
Our summer vacation extended into September.
我们的暑假延至9月。
He wanted to extend his garden.
他想要扩建花园。
My farm extends as far as the river.
我的农场一直延伸到河边。
指在长度或时间上拉长或延长。
His trousers were lengthened.
他的裤子放长了。
Nights are lengthening with the coming of winter.
随着冬天的来临，夜晚渐渐变长了。
To save time is to lengthen life.
节省时间就是延长生命。
通常指时间上的延长，含超过正常限度之意。
He tried hard to prolong his mother's life.
他尽一切努力来延长母亲的生命。
The treaty has been prolonged for another 5 years.
这个条约又延长了5年。