prolonged

英 [prəˈlɒŋd]

美 [prəˈlɔːŋd]

adj.  持久的; 长期的
v.  延长
prolong的过去分词和过去式

过去分词：prolonged　过去式：prolonged　

IELTS

Collins.2 / BNC.5657 / COCA.7369

牛津词典

adj.

• 持久的；长期的
  continuing for a long time
  1. a prolonged illness
     长期的病
  2. a prolonged period of dry weather
     长期的干旱天气

柯林斯词典

• ADJ-GRADED 长期的；持续很久的；时间长的
  Aprolongedevent or situation continues for a long time, or for longer than expected.
  1. ...a prolonged period of low interest rates.
     长期的低利率
  2. ...a prolonged drought.
     长期的干旱

英英释义

adj

• drawn out or made longer spatially
  1. Picasso's elongated Don Quixote
  2. lengthened skirts are fashionable this year
  3. the extended airport runways can accommodate larger planes
  4. a prolonged black line across the page
  Synonym:elongatedextendedlengthened
• relatively long in duration
  1. a drawn-out argument
  2. an extended discussion
  3. a lengthy visit from her mother-in-law
  4. a prolonged and bitter struggle
  5. protracted negotiations
  Synonym:drawn-outextendedlengthyprotracted

双语例句

• 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。
• It has reduced mortality rates and prolonged the average length of life, thus multiplying population figures.
  它减低了死亡率，延长了人的生命期，因而使人口倍增；
• 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。
• He prolonged his visit by two weeks.
  他把访问延长了两个星期。
• 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。
• Prolonged heat can, moreover, enhance production of smog and the dispersal of allergens.
  持续的高温也提高了烟雾的产量和过敏原的散布。
• But my mistake was that I prolonged my entrapment.
  但是我犯了个错误：延长了自己受困的时间。
• They prolonged their visit by a few days.
  他们把访问时间延长了几天。
• Hospitalization may be prolonged.
  住院期可能延长。
• 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。