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 wood had become swollen from prolonged immersion.
  因长时间浸泡，木头发胀了。
• 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。
• 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。
• 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。
• 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。
• The treaty has been prolonged for another ten years.
  条约延长10年。
• They prolonged their visit by a few days.
  他们把访问时间延长了几天。
• 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。
• 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。
• The crowd answered him with prolonged applause.
  群众对他报以长时间的掌声。