| 释义 | 
		 re·ten·tion AW BrE /rɪˈtenʃn/NAmE /rɪˈtenʃn/ noun [U]  (formal) the action of keeping sth rather than losing it or stopping it 保持;维持;保留◆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。the action of keeping liquid, heat, etc. inside sth rather than letting it escape (液体、热量等的)保持,阻滞◆Eating too much salt can cause fluid retention.  摄盐过多会导致体液潴留。the ability to remember things 记忆力;记性◆Visual material aids the retention of information.  直观材料有助于加强记忆。  ➡  see also retain  |