retain的一般过去时怎么拼写？

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...

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的现在完成时为：retained...

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的第三人称单数（三单）为：retains...

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]...

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...

retain的现在进行时为：retaining...

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...

containable的音标：...

Flangeless cylindrical parts are a kind of drawing parts and widely applied in production.无凸缘筒形件是生产中应用较为普遍的一种拉深制件....

vt.夺掉桅杆，折断桅杆...

Jesuit的音标：Jesuit的英式发音音标为：['dʒezjuɪt]Jesuit的美式发音音标为：['dʒeʒəwət]...

Avon的音标：Avon的英式发音音标为：['eivɔn]Avon的美式发音音标为：['evɑn, 'evən, 'ævən]...

“敌杀磷”的英语可以翻译为：[化] dioxathion ...

Amplifier self - oscillates at a frequency depending on the velocity of the fluid.放大器自激振荡的频率就取决于流体的速度.His mood oscillates between euphoria and depression.他的心情在幸福感与沮丧的两极端间游移((一下心花怒放,一下又变得愁眉苦脸)).In this way the torso oscil...

profitable的反义词有：profitless, unprofitable, futile。adj.profitable的反义词（有益的;赚钱的）：profitless, unprofitable。profitable的反义词（其他释义）：futile。...

enema的音标：enema的英式发音音标为：['enəmə]enema的美式发音音标为：['ɛnəmə]...

这一区分的某些原因可简单陈述如下.Some of the reasons for this distinction can be briefly stated.存在许多可以截然区分的变种.Many varieties existed which differed from one another in clear - cut ways.他们是全同的和不可区分的.They are identical and indistinguishab...

n.庚硫醇...

ecmolin的音标：ecmolin的英式发音音标为：['ekməlɪn]ecmolin的美式发音音标为：['ekməlɪn]...

pullulate的第三人称单数（三单）为：pullulates...

mesulphen的音标：mesulphen的英式发音音标为：[me'sʌlfən]mesulphen的美式发音音标为：[me'sʌlfən]...

Someone had scrawled "Scum" on his car.有人在他的车上涂写了“人渣”的字样。I tried to read his directions, scrawled on a piece of paper.我尽量弄明白他草草写在一片纸上的指示。He scrawled his name across the bill, underlining it with a showy flourish.他在账单上潦草地...