retention

英 [rɪˈtenʃn]

美 [rɪˈtenʃn]

n. 保持; 维持; 保留; (液体、热量等的)保持，阻滞; 记忆力; 记性

复数：retentions　

Collins.1 / BNC.6675 / COCA.6542

牛津词典

noun

保持；维持；保留
the action of keeping sth rather than losing it or stopping it
1. 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。
（液体、热量等的）保持，阻滞
the action of keeping liquid, heat, etc. inside sth rather than letting it escape
1. Eating too much salt can cause fluid retention.
  摄盐过多会导致体液潴留。
记忆力；记性
the ability to remember things
1. Visual material aids the retention of information.
  直观材料有助于加强记忆。

N-UNCOUNT 保持;保留
Theretention ofsomething is the keeping of it.
1. They supported the retention of a strong central government.
  他们赞成保留一个强大的中央政府。

noun

the act of retaining something
Synonym:keepingholding
the power of retaining liquid
1. moisture retentivity of soil
Synonym:retentivenessretentivity
the power of retaining and recalling past experience
1. he had a good memory when he was younger
Synonym:memoryretentivenessretentivity

They also advised on staff retention and recruitment.
他们也就如何挽留和招募员工的问题上提供了建议。
The two aspects involved are retention and recall.
有关的两个方面是记忆和追忆。
One research report has shown that comprehension and retention of reading were decreased when students listened to lively music.
一项研究报告表明，在听轻快的音乐时读书的理解力和记忆力降低了。
The first step of retention analysis is to extract and clean up the trace pesticides.
农药残留量分析的第一个环节就是从样品中提取和净化痕量农药，以便进行分析测定。
The resulting methodology and conclusion provide a basis for the successive study on customer retention model.
得到的研究方法和研究结论，将为后续顾客保持模式研究莫定基础。
They supported the retention of a strong central government.
他们赞成保留一个强大的中央政府。
I suffer from fluid retention.
我患有体液潴留症。
The present paper reviews the studies and application of the retention aids in detail.
本文综述了这些新型沉淀剂的研究和应用现状。
Different customers mean different retention time and profitability.
不同的顾客对企业意味着不同的保持期和收益。
The cell is used to investigate the immobilization kinetics and the water retention of paper coatings.
该元件用于研究纸张涂料的固定动力学和保水能力。