| 释义 |
re·ten·tion AHD[rĭ-tĕnʹshən] D.J.[rɪˈtenʃən]K.K.[rɪˈtɛnʃən]n.（名词）- The act of retaining.保持：保持的行为
- The condition of being retained.保留，滞留：被保持的状态
- Capacity or power of retaining.保持力，持续力
- An ability to recall or recognize what has been learned or experienced; memory.记忆力：记起或认识出已经学过或经历过的事物的能力；记忆力
- Something retained.被保持物
- Medicine Involuntary withholding of wastes or secretions that are normally eliminated.【医学】 停滞：正常情况下应被除去的废物或分泌物的不自觉的保留
- Middle English retencioun 中古英语 retencioun
- from Old French retention 源自 古法语 retention
- from Latin retentiō retentiōn- 源自 拉丁语 retentiō retentiōn-
- from retentus [past participle of] retinēre [to retain] * see retain 源自 retentus retinēre的过去分词 [保持] * 参见 retain
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