英 [rɪˈteɪn] 美 [rɪˈteɪn]
v. 保持，保留；保存，储存；记住；付定金聘定（尤指律师）；留用（员工）
第三人称单数retains
现在分词retaining
过去式retained
过去分词retained
retain /rɪˈteɪn/ CET4 TEM4 [ retaining retained retains ]
及物动词 To retain something means to continue to have that thing. 保留
The interior of the shop still retains a nineteenth-century atmosphere.
那家商店内部依然保持着19世纪的格调。
hold within
This soil retains water ; I retain this drug for a long time
allow to remain in a place or position
She retains a lawyer
同义词： continue / keep / keep on / keep going
keep in one's mind
I cannot retain so much information
保持-引用次数：30
In vitro cell culture revealed that chondrocytes could adhere, proliferate and retain differentiated on the CMC-MC.
体外兔软骨细胞悬浮培养结果表明细胞在CMC微载体上能够更好的粘附,增殖和保持分化状态。
生命刑-引用次数：1
留存
保持 (Retain): 路测数据与现有邻区配置一致 增加 (Add): 邻区关系漏配
变量属性当说明一个变量时，能附加以下的属性：① 保留（RETAIN）：这些变量在主要故障之后，仍保留同一值。当再启动时，程序将以这一保留的值继续进行。
...位截瘫，虽然再也不能直立行走，但是他却没有被形骸的残疾压垮，从分配到洛阳市残联工作至今，十几年来，刘峥伟始终保有(Retain)一颗快乐、自大的心，在出格的岗位上作出了突出的贡献。
据悉汉堡将伊利切维奇支付约400万欧元转会费，对此凯泽斯劳滕表示，球员想走，球队也不好再做挽留(Retain)：“自从转会失败以后，伊利切维奇的心不在凯泽了。当今开出了不错的报价，球员也愿意离开，我们也不再挽留了。
retainer 保持器；家臣；保持者；[机] 护圈；预付费用
He struggled to retain control of the situation.
他曾努力保持对局势的控制。
She has a good memory and finds it easy to retain facts.
她记忆力好，很容易记住事情。
Daily facial exercises help to retain the skin's elasticity.
每日的面部运动有助于保持皮肤弹性。
that by our frame of government, the states which have slavery are to retain it, or surrender it at their own pleasure;
VOA : special.2009.02.09
I want to teach you things that you are going to retain you're going to take with you.
我教你们事情，你们将会记住,并且会一直伴随着你们。
固态化学导论课程节选 : 麻省理工公开课
When we reflect, when we replay the material, we are much more likely to retain, to remember what we have just been through.
当我们思考时，我们重放素材时，更容易保留，记住之前的经历。
幸福课课程节选 : 哈佛公开课
Preservationists have been working to retain the site's status by promoting awareness among Lebanese and reaching out to the media.
VOA : standard.2010.08.05
The Vienna museum will retain the painting, but the display will now include signage indicating its Nazi-looted past.
VOA : standard.2010.07.26
At the same time, Santa Teresa has managed to retain its friendly, village-like vibe.
Had Roberts considered ObamaCare constitutional, perhaps Pandora could retain hope and a pretense of limited government.
Spanish bank Santander will sponsor Ferrari next year, although they will still retain a smaller presence with McLaren.