retention
英 [r?'ten?(?)n]
美[r?'t?n??n]
- n. 保留;扣留,滯留;記憶力;閉尿
英英釋意
- 1. the act of keeping in your possession
- 2. the power of retaining and recalling past experience;
- "he had a good memory when he was younger"
- 3. the power of retaining liquid;
- "moisture retentivity of soil"