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retention

词语释义

英 [rɪ'tenʃ(ə)n] 美 [rɪ'tɛnʃən]

retention

n. 保留;扣留,滞留;记忆力;闭尿

单词分析

记忆方法:1. re- "back" + tent- + -ion.
2. => hold back, keep back.
3. => continue keeping, keep possession of, keep in the mind.

英英释义

Noun:

  • the act of retaining something
  • the power of retaining and recalling past experience;"he had a good memory when he was younger"
  • the power of retaining liquid;"moisture retentivity of soil"
  • 单词网DAnci.583316.COm

    单词词源

    中文词源

    retention 保持,保留,记忆力

    来自 retain,保持,-ion,名词后缀。引申词义记忆力。

    英语词源

    retention (n.)

    late 14c., from Latin retentionem (nominative retentio) "a retaining, a holding back," noun of action from past participle stem of retinere (see retain). Originally medical; mental sense is from late 15c.

    词态变化

    权威造句

    1. He argues strongly for retention of NATO as a guarantee of peace.

    他强烈要求保留北大西洋公约组织以维护和平。

    来自柯林斯例句

    2. They supported the retention of a strong central government.

    他们赞成保留一个强大的中央政府。

    来自柯林斯例句

    3. 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。

    来自《权威词典》

    4. They advocate the retention of our nuclear power plants.

    他们主张保留我们的核电厂.

    来自《简明英汉词典》

    5. RETENTION parameter works best if the current undo tablespace has enough space for the active transactions.

    retention能做好地工作如果----当前的回滚表空间对活动事务有足够的空间.

    来自互联网

    近反义词

    currency retention scheme 货币留成制度...

    retention basin 贮留池,贮水池,滞留...

    snow retention 积雪

    retention rate 保留率,滞留率,保水...

    retention time (分化)保留时间...

    retention money 留存款项

    image retention 图象保留,余象...

    retention pond 澄清池

    retention volume 滞留量,保留容积,滞...

    retention index 保留指数

    retention period 保存期

    filler retention 填料保持

    net retention 净保持量,净吸收量...

    fluid retention 液体潴留

    color retention 保色性,色泽稳定性...

    gloss retention 保光性

    minimum retention 最低留成额

    retention mechanism 保留机理

    anion retention 阴离子吸持

    retention analysis 残留分析,持着分析法...

    相似短语

    cable retention 光缆保持力

    fruit retention 保果

    initial retention 初保持量

    image retention 图像保留,残留影像,残像

    strength retention 强度保留

    whiteness retention 白度保持

    charge retention 【电】 电荷保留

    retention data 保留数据

    retention mechanism 保留机理

    retention of food 食物停滞,积食

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