ascertain的一般过去时怎么拼写？

ascertain的现在进行时为：ascertaining...

It can be difficult to ascertain the facts.可能难以查明事实真相。We must ascertain the responsibility in light of different situtations.我们必须根据不同情况判定责任.The legal philosopher's concern is to ascertain the true nature of all the ...

It can be difficult to ascertain the facts.可能难以查明事实真相。I'm going to ascertain the truth.我要查明真相.It's difficult to ascertain the coal deposits.煤储量很难探明....

ascertain的近义词有：discover, find, detect, ascertain。下面这些动词均有"发现"的含义：discover：普通用词，指发现本来存在，但示被认识的事物、真理或情况。find：普通用词，可指偶然发现，也可指经过寻找后得到或重新获得已失去的东西。强调动作的结果。detect：正式用词，强调经过周密观察或研究而有所获得和发现，尤指发现有意隐藏之物。 ascertain：较正式用词，指有意搜寻与发现。...

vt.弄清，确定，查明...

ascertain的现在完成时为：ascertained...

ascertain的第三人称单数（三单）为：ascertains...

ascertain的音标：ascertain的英式发音音标为：[ˌæsə'teɪn]ascertain的美式发音音标为：[ˌæsər'teɪn]...

ascertain的近义词/同义词有：clear, find, determine, up, out, solve, learn, discover, find, appraise, learn, answer, out, up, clear, solve。vt.ascertain的近义词（确定;探查）：clear, find, determine, up, out, solve, learn, discover。ascertain的近...

这个字的拉丁 字根 意思是陌生人.The Latin peregrinus , which is one . root of the word , means a'stranger.具有字缀压缩的字汇列表包含有字根及其可能的字缀.Word lists with affix compression contain the base word with possible affixes.大多数语言以拉丁文为它们的字根.Most l...

West Ham have told Birmingham to stump up 4.5 million for Marlon Harewood.西汉已给伯明翰告知欲收购该队前锋哈伍德就必须提出450W英镑的报价....

“补给”的拼音为：bǔ jǐ...

“不稳定”的英语可以翻译为：instability，unstabitily，swinging，astable，astaticism ...

Nomads have inhabited this region for thousands of years.游牧民族在这地区居住已有数千年了.When the tide ebbs it's a rock pool inhabited by crustaceans.退潮时，它便成为甲壳动物居住的岩石区潮水潭。The valley is inhabited by the Dani tribe.山谷里居住着达尼部落。...

然后按正确顺序排列寓言的各段.Then put the paragraphs of the fable in the correct order.她们马上写了一首有关那寓言的英文歌.Right away they wrote an English song about the fable.一位人类学家写了一部关于这些寓言的专著.An anthropologist wrote a treatise on some of these fab...

Marlborough的音标：Marlborough的英式发音音标为：['mɔ:lbərə]Marlborough的美式发音音标为：['mɑrlˌbɚro, -bərə, -ˌbʌro]...

Endocrinology is defined as the study of the ductless or endocrine glands and their internal secretions.内分泌学的定义是:研究无管腺或称内分泌腺及它们的内分泌的科学....

n.亚硝（基）脲氮芥，卡氯芥，双氯乙基亚硝脲...

You can't beat soap and water for cleansing.做清洁没有比用肥皂和水更好的了。After an hour and a quarter's-worth of cleansing, toning and pampering, the difference to the way my skin felt was remarkable.经过1小时15分钟的清洁、柔肤和精心护理后，我的...

“填塞者”的英语可以翻译为：tamper ...

“地衣”的英语可以翻译为：[植] lichen （低等植物， 菌和藻的共生体） ...

“工艺学”的拼音为：gōng yì xué...

A similar system is used to contact the communications satellites that now continually encircle the earth.人们正把同样的系统用来与目前绕地球飞行的通讯卫星保持联系.She was continually adjusting the ventilation system.她不停地调节通风系统。Sarah had been plague...

Therapeutics is considered in virtually all textbooks of medicine, but often superficially.事实上所有内科学教科书都提到治疗说, 不过内容通常较为简浅而已.The drug companies Pfizer, Sanofi - Aventis and Nektar Therapeutics developed it.是由辉瑞公司, 赛诺菲-安万特公...