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retention

noun
/rɪˈtenʃn/
/rɪˈtenʃn/
[uncountable] (formal)
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  1. the action of keeping something rather than losing it or stopping it保持;维持;保留
    • The company needs to improve its training and retention of staff.公司需要改进对员工的培训和留用工作。
  2. the action of keeping liquid, heat, etc. inside something rather than letting it escape(液体、热量等的)保持,阻滞
    • Eating too much salt can cause fluid retention.摄盐过多会导致体液潴留。
    • the importance of energy conservation and heat retention节能和保温的重要性
  3. the ability to remember things记忆力;记性
    • Visual material aids the retention of information.直观材料有助于加强记忆。
  4. see also retain
    Word Originlate Middle English (denoting the power to retain something): from Old French, from Latin retentio(n-), from retinere ‘hold back’, from re- ‘back’ + tenere ‘hold’.

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