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 meeting was prolonged into the evening.
  会议一直拖到晚上。
• 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 we think it may have been caused by prolonged exposure to benzene.
  可是我想可能和你长期与苯接触有关。
• There are studies that show prolonged exposure to this energy weakens and drains the immune system.
  有研究表明，长期接触这种能量的免疫系统衰弱和水渠。
• The wood had become swollen from prolonged immersion.
  因长时间浸泡，木头发胀了。
• 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。
• In response, driving schools said prices will rise in line with cost increases and prolonged learning periods.
  作为回应，驾校说价格上涨将与成本上升和学习时间延长相一致。
• 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；
• The crowd answered him with prolonged applause.
  群众对他报以长时间的掌声。
• In tumour cells with defects in apoptosis, autophagy allows prolonged survival.
  在凋亡缺陷的肿瘤细胞中，自噬延长了生存期。