英 [rɪˈtenʃ(ə)n] 美 [rɪˈtenʃ(ə)n]
n. 保持，保留；保存，存放；保持力，持续力；记忆力；（热量的）阻滞，（液体的）潴留；（对物质的）吸收和保持
retention /rɪˈtɛnʃən/ CET6 TEM8
不可数名词 The retention of something is the keeping of it. 保留
The Citizens' Forum supported special powers for Quebec but also argued for the retention of a strong central government.
《市民论坛》支持魁北克的特殊权力，但是也主张保留一个强有力的中央政府。
the power of retaining and recalling past experience
同义词： memory / retentiveness / retentivity
the power of retaining liquid
同义词： retentiveness / retentivity
...子交换柱，如果样品是碱性化合物平衡液中往往需要加入酸，如果样品为酸性化合物平衡液中往往需要加入碱； 保留（Retention）：当样品溶液通过吸附剂，吸附剂与某些化合物的作用力超过后者与溶剂的作用力时，这些化合物就会被吸附剂固定，该过程称为保留；...
识记材料的数量和性质 保持(Retention):是把识记获得的知识，经验和技能在脑中编码和储存的过程。
别的，多喝水有助于削减水潴留(Retention)，对肾脏安慰。很多查究证据，若是一个别是超重的，去等时间的人，就是去浪费时间的人他们应当增进起码1杯的水，他们(They)的逐日...
retentive 保持的；记性好的
retentively 记性好地；保持地
retentiveness 好记性；保持力
retentivity 记忆力；保持力；保磁性
保留；扣留，滞留；记忆力；闭尿
memory / preservation / mind / hold / reservation
Eating too much salt can cause fluid retention.
摄盐过多会导致体液潴留。
He argues strongly for retention of NATO as a guarantee of peace.
他据理力争北大西洋公约组织作为一个和平保障的保留。
The Citizens' Forum supported special powers for Quebec but also argued for the retention of a strong central government.
《市民论坛》支持魁北克的特殊权力，但是也主张保留一个强有力的中央政府。
The bonuses were retention payments -- a way to keep good employees.
VOA : special.2009.03.20
Retention went up for them; performance went up; they were more likely to advance in their organization and stay in their organization.
他们的保持力增加，工作表现出色;,在公司更有可能被升职,并留在公司里。
幸福课课程节选 : 哈佛公开课
But I mean, if you launch a feature, obviously retention is going to go up.
如果你推广一个新功能，回访率就会上升。
扎克伯格谈Facebook创业过程课程节选 : 斯坦福公开课
the retention bonuses were put in place at the beginning of 2008, before AIG received any bail-out money.
VOA : standard.2009.03.15
It is two years in a row now that we've had a 60% retention rate.
U.'s Article 29 Working Party recommended that laws limit data retention to only six months.
Most of us spend a lot of time thinking about talent recruitment and retention.