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BNC: 6675 COCA: 6542
retention
noun [U] /rɪˈtenʃ(ə)n/
  1. 1
    formal the ability to keep workers or customers from leaving a company, or students from leaving a school 保留;留住

    There is a recruitment and retention crisis in the teaching profession. 教师这一行存在聘人和留人的危机。

     Synonyms and related words
    Leaving a job: resign, retire, stand down...
  2. 2
    formal the act of keeping or storing something 保存;存放
    retention of :

    This facility will be used for the retention of hazardous waste. 这处设施用于存放危险性的废料。

     Synonyms and related words
    The process or action of keeping something: storage, maintenance, warehousing...
  3. 3
    medical a situation in which harmful substances stay in the body instead of passing out of it (有害物质在体内的)停滞,潴留

    She still has serious fluid retention in the limbs and lungs. 她的四肢和肺部仍有严重的液体滞留。

     Synonyms and related words
    Causes, symptoms and the course of illnesses: aetiology, complication, crisis...
  4. 4
    the ability to remember ideas or facts 记忆力
    retention of :

    The patient showed good retention of facts and figures. 这个病人对事情和数字有很好的记性。

     Synonyms and related words
    Memory and memories: memory, recall, recollection...
BNC: 6675 COCA: 6542
BNC: 6675 COCA: 6542

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