prolonged [prəu'lɔŋd, -'lɔ:-]

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adj. �ӳ��ģ����ӵģ������ܾõ�

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a. drawn-out��elongated��extended��lengthened

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1. Prolonged heat can, moreover, enhance production of smog and the dispersal of allergens.
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2. People at particular risk for the flu should therefore avoid prolonged exposure to the Sun.
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3. The official White House forecast shows a nation stuck in purgatory for a prolonged period, with high unemployment persisting for years.
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adj.
  1. relatively long in duration; tediously protracted
  2. drawn out or made longer spatially
  3. (of illness) developing slowly or of long duration

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prolonged
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prolonged labor
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prolonged blast
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prolonged exposure
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prolonged lenticular
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