gum的一般过去时怎么写？

When not removed, plaque causes tooth decay and gum disease.牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。I've tried everything from herbal cigarettes to chewing gum.中草药香烟、口香糖之类的我统统都试过了。Deposits of plaque build up between the tooth and the ...

gum的第三人称单数（三单）为：gums...

gum的音标：gum的英式发音音标为：[gʌm]gum的美式发音音标为：[ɡʌm]...

gum的现在进行时为：gumming...

n.口香糖，树胶，黏胶，牙龈vt.& vi.胶合，涂以树胶，使…有粘性...

gum的现在完成时为：gummed...

Spit out that gum and pay attention.把那块口香糖吐出来，注意听。Extraction Method Galbanum gum is collected incisions on the roots of the plant.白松香胶采集于其植株的根部.The gum was three reals.这口香糖是三雷亚尔.Kookaburra sits on an old gum tree.翠鸟坐在一棵老...

“凝集簇”的英语可以翻译为：[医] agglutinophore，ergophore ...

The Embassy is now denuded of all foreign and local staff.现在大使馆里所有的外国和当地工作人员都清空了。In such areas we see villages denuded of young people.在这些地区，我们在村子里根本看不到年轻人。He was denuded by his boss of every penny he had.他被老板剥得分文不留....

It is difficult to photograph the actual chromosphere.拍摄实际的色球层很困难.The chromosphere is a frothy layer churned up by gases in the photosphere.色球层在光球层气体的搅拌下是个多泡层.If touch the orange chromosphere, Zhang Ling gets 1 scores.如果...

amoralia的音标：amoralia的英式发音音标为：[eɪmɒ'reɪljə]amoralia的美式发音音标为：[eɪmɒ'reɪljə]...

“监督”的英语可以翻译为：supervise，superintend，supervisor，control，intendance ...

Building their nests in trees helps protect the bluebirds'young.把鸟巢建在树洞里可以保护它们的幼鸟.If happy bluebirds fly Beyond the rainbow Why, oh why can't I?如果快乐的小青鸟儿飞过了彩虹那麽, 我为何不能?If bluebirds fly Beyond the rainbow Why, o...

Minimum pensions and wages are to be indexed to inflation.最低养老金和最低工资要与通货膨胀挂钩。Pensions have increased in real terms over the last twenty years.退休金在过去20年中有了实际增长。With all these different pensions, you're going to have ...

v.拖湿，拖脏，落后...

“检疫期”的英语可以翻译为：[医] quarantine，quarantine period ...

n.无效果，不起作用，无能力...

prefer的音标：prefer的英式发音音标为：[prɪ'fɜ:(r)]prefer的美式发音音标为：[prɪ'fɚ]...

[人名] 哈基宁...

Conclusion Massage manipulation is an effective method to treat chondromalacia patellae.结论手法是治疗髌骨软化症的有效方法.Objective To observe the effect of massage manipulation on chondromalacia patellae.目的观察手法治疗髌骨软化症的效果.Results indica...

n.保人( sponsor的名词复数 )，（广播电视节目、音乐会或运动会的）赞助者，（培训或教育的）资助者，（法案等的）倡议者v.赞助( sponsor的第三人称单数 )，资助（某人的培训或教育），为慈善活动捐资，倡议...

n.滩头阵地，滩头堡( beachhead的名词复数 )...