retain的一般过去时怎么拼写？

retain的现在进行时为：retaining...

retain的现在完成时为：retained...

retain的近义词有：keep, retain, reserve, preserve, conserve, withhold。下面这些动词均有"保持，保存"的含义：keep：最常用词，指长时间牢固地保持或保存。retain：指继续保持。reserve：正式用词，指为了将来的用途或其他用途而保存、保留。preserve：主要指为防止损害、变质等而保存。conserve：一般指保存自然资源，保全人的精力、力量等。withhold：指扣住不...

retain的近义词/同义词有：hold, save, preserve, keep, maintain, preserve, maintain, keep, hold, employ, save。vt.retain的近义词（保留;维持）：hold, save, preserve, keep, maintain。retain的近义词（其他释义）：preserve, maintain, keep, hold, employ, save。...

retain的反义词有：abandon, discard, abandon。vt.retain的反义词（保留,保持）：abandon, discard。retain的反义词（其他释义）：abandon。...

vt.保持，留在心中，记住，雇用，付定金保留...

We shall retain our rights.我们将保留我们的权利。You must retain your school reports.你必须将学习成绩单保存好。Lungs retain relatively insoluble particulate material.肺脏内留有不溶解的颗粒物质.They may be expected to retain an important place in radiation d...

retain的音标：retain的英式发音音标为：[rɪ'teɪn]retain的美式发音音标为：[rɪ'ten]...

Daily facial exercises help her to retain the skin's elasticity.每天做面部运动帮助她保持皮肤弹性。Disney will retain a 51 percent controlling interest in the venture.迪斯尼将保留该项目51%的控股权。Vegetables should retain some firmness and should...

retain的第三人称单数（三单）为：retains...

adj.侧面的，横向的，[语]边音的n.侧部的东西，边音...

Diurex的音标：...

胃膨出...

“股份”的英语可以翻译为：share，stock，interest，allotment ...

Needs assessment is crucial if the hospital is to deliver effective health care.医院要提供有效的卫生保健，需求评估是关键。Collaborate with other assessors in an effort to better understand the assessment.与其他评估者合作以更好地理解评估结果.The tests are supp...

“发痒”的拼音为：fā yǎng...

“阳台”的拼音为：yáng tái...

The kinetic process of reactive magnetron sputtering has been studied.研究了反应磁控溅射的动力学过程.The kinetic equation of acylation process fitted first order linear relation.酰化过程的动力学方程符合一级线性关系.kinetic friction动磨擦kinetic theory of m...

adj.戏弄的，逗趣的v.取笑，戏弄( tease的现在分词 )，梳理（羊毛等）...

“戴面具”的英语可以翻译为：mask ...

fob的第三人称单数（三单）为：fobs...

...a spiny cactus.多刺仙人掌...a large shiny brown nut, enclosed in a large spiny seed capsule.一个硕大发亮的褐色坚果，包裹在一个多刺的大种子荚内California evergreen wild plum with spiny leathery leaves and white flowers.加州常绿野生李属植物,多刺革质树叶,白色花冠.spiny ...

“椭圆形”的英语可以翻译为：oval，elliptocytosis，ellipse，oblong ...

“烦人地”的英语可以翻译为：annoyingly ...

With major life traumas, like losing a loved one, for instance, the mind's first reaction is denial...面对生活中的重大不幸，如失去至爱的人等，人们的第一反应就是拒绝接受。She felt exhausted after the traumas of recent weeks.她经受了最近几个星期的痛苦之后感到精疲力竭。The ...