The noun 'retention' refers to the continued possession, use, or control of something, or the act of keeping something in one's memory.
名词'retention'指扣留、滞留，或保留、记忆力。
| 单词 | retention |
|---|---|
| 发音 | [rɪ'tenʃ(ə)n] |
| 释义 | n. 扣留，滞留；保留；记忆力；[医]闭尿 |
| 词序 | 6633 |
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