persistent是什么意思,persistent怎么背,怎么记,persistent的词根词缀巧记速记方法,persistent构词,构成,中文翻译_英语词典

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persistent a 坚持的；顽固的（persist+ent）

释义2： persistent
/ pE5sistEnt /

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◙ adjective
1. continuing firmly or obstinately in a course of action in spite of difficulty or opposition
• 坚持不懈的；执意的
 »one of the government's most persistent critics.
  一个最执着的政府批评者。
  [attrib.] characterized by a specified habitual behaviour pattern, especially a dishonest or undesirable one
• 固执的，顽固的
 »an attempt to stop persistent drink-drivers.
  制止顽固饮酒司机的努力。
2. continuing to exist or endure over a prolonged period
• 持续的，持久的
 »persistent rain will affect many areas.
  连绵阴雨会影响许多地区。
  occurring repeatedly over a prolonged period
• 不断的，连续长时间发生的
 »persistent reports of human rights abuses by the military.
  关于军队侵犯人权的接连不断的报告。
  (of a chemical or radioactivity) remaining within the environment for a long time after its introduction
• （化学品，放射性）作用持久的，挥发慢的
 »PCBs are persistent environmental contaminants.
  多氯联苯是持久的环境污染物。
3. [Botany & Zoology] (of a part of an animal or plant, such as a horn, leaf, etc.) remaining attached instead of falling off in the normal manner
• [植，动] （动植物某部位，如角、叶等）宿存的，不落的♦ persistently adverb

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