retention

C1 CET-4 大学 FREQ #35134 ★☆☆☆☆

n. 保持, 留置, 保留, 保持力, 保留物, 记忆, 停滞, 固位 [计] 保贸, 保持

发音

US /ɹɪˈtɛnʃən/

词形变化

retentions 复数 retentions

教材释义与例句

名词

保留；扣留，滞留；记忆力；闭尿

释义与例句

n. C1
  1. 1.

    The act of retaining or something retained.

    留用

    可数 不可数
  2. 2.

    The act or power of remembering things.

    可数 不可数
  3. 3.

    Memory; what is retained in the mind.

    可数 不可数
  4. 4.

    The involuntary withholding of urine and faeces.

    可数 不可数 医学
  5. 5.

    The length of time a patient remains in treatment.

    可数 不可数 医学
  6. 6.

    That which contains something, as a tablet; a means of preserving impressions.

    可数 废旧 不可数
  7. 7.

    The act of withholding; restraint; reserve.

    可数 废旧 不可数
  8. 8.

    A place of custody or confinement.

    可数 废旧 不可数
  9. 9.

    The right to withhold a debt, or of retaining property until a debt due to the person claiming the right is duly paid; a lien.

    可数 不可数 法律
  10. 10.

    The portion of a potential damage that must be paid for by the holder of an insurance policy.

    可数 不可数 商务 金融

词汇关系

名词

同义词 5

holding keeping memory retentiveness retentivity

上位词 6

possession faculty ownership module impermeability impermeableness

下位词 5

storage withholding recollection remembrance anamnesis

相关短语

retention line retention lines retention tank retention tanks retention basin [化] 贮留池; 贮水池 retention basins retention pond retention ponds retention time [计] 保持时间 [化] 保留时间 retention times deposit interest retention tax colour retention agent hydraulic retention time hydraulic retention times colour retention agents

词源

From Middle English retencioun, borrowed from Latin retentiō, retentiōnis, from retentus, the perfect passive participle of retineō (“retain”) (from re- (“back, again”) + teneō (“hold, keep”)).

来源：wiktionary