英汉词典

ascertain 基本解释

• vt. 确定；查明；探知

ascertain 词态变化

ascertain 中文词源

as-同ad-. certain, 确定。

ascertain 英文词源

ascertain (v.)

early 15c., "to inform, to give assurance," from Anglo-French acerteiner, Old French acertener "to assure, certify" (13c.), from a "to" (see ad-) + certain "certain" (see certain). Modern meaning of "find out for sure by experiment or investigation" is first attested 1794. Related: Ascertained; ascertaining.

ascertain 英文释义

1. after a calculation, investigation, experiment, survey, or study;

"find the product of two numbers"

"The physicist who found the elusive particle won the Nobel Prize"

2. be careful or certain to do something; make certain of something;

"He verified that the valves were closed"

"See that the curtains are closed"

"control the quality of the product"

3. find out, learn, or determine with certainty, usually by making an inquiry or other effort;

"I want to see whether she speaks French"

"See whether it works"

"find out if he speaks Russian"

"Check whether the train leaves on time"

4. learn or discover with certainty

ascertain 同义词解析

discover, find, detect, ascertain

这些动词均有"发现"之意。

discover： 普通用词，指发现本来存在，但是被认识的事物、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。

ascertain 双语例句

1. It can be difficult to ascertain the facts.

可能难以查明事实真相。

来自《权威词典》

2. I'm going to ascertain the truth.

我要查明真相.

来自《简明英汉词典》

3. It's difficult to ascertain the coal deposits.

煤储量很难探明.

来自《现代汉英综合大词典》

4. The police determined to ascertain the truth of the matter.

ascertain:警察决心查明事实的真相.

来自互联网

5. Take time to ascertain what services your bank is providing, and at what cost.

花些时间确认一下你的银行会提供什么样的服务，费用是多少。

来自柯林斯例句

ascertain 实用场景例句

It can be difficult to ascertain the facts.

可能难以查明事实真相。

牛津词典

I ascertained that the driver was not badly hurt.

我已查清，驾驶员伤势不重。

牛津词典

It should be ascertained that the plans comply with the law.

须要弄清楚，这些计划要合法。

牛津词典

The police are trying to ascertain what really happened.

警方正设法查清到底发生了什么。

牛津词典

Could you ascertain whether she will be coming to the meeting?

请你弄清楚她来不来开会好吗？

牛津词典

It must be ascertained if the land is still owned by the government.

必须确定这块土地是否仍属于政府所有。

牛津词典

Through doing this, the teacher will be able to ascertain the extent to which the child understands what he is reading...

这样一来，老师就能确定孩子们对他所读的内容理解多少了。

柯林斯高阶英语词典

Once they had ascertained that he was not a spy, they agreed to release him...

一旦确认他并非间谍，他们即同意将他释放。

柯林斯高阶英语词典

The causes of unhappiness in the past and in the present are not difficult to ascertain.

过去和现在的不幸根源不难查明.

期刊摘选

The insurance adjustor had to ascertain the exact value of the missing jewels.

这个保险金估算人必须核实这些丢失的珠宝的价值.

辞典例句

I ascertain that he was murdered.

我确定他是被谋杀的.

期刊摘选

They are doing everything possible to ascertain his whereabouts.

他们正在尽力调查他的下落.

辞典例句

We'll ascertain such matter through joint assessment.

我们将通过双方共同估算来确定这些东西的价值.

期刊摘选

The first step is to ascertain whether the target has a new lover.

首先要确认目标对象是否有了新恋人.

期刊摘选

At noon the next day, a man mounted the bridge to ascertain the vessel's position.

第二天是12月13号,中午, 只见一个人走上舰桥测定方位.

期刊摘选

It is difficult to ascertain the exact duration of protection.

要弄清确切的予防有效期并不容易.

辞典例句

If somebody grills ( someone ) it means that they question at length in order to ascertain something.

的意思是长时间讯问某人以追查某事.

期刊摘选

Mr Deborah : Did you question Sir Charles ascertain the facts?

问过查尔斯爵士,核查过事实了 吗 ?

期刊摘选

An autopsy was needed to ascertain the cause of his death.

需验尸方能确定他的死因.

辞典例句

Finally, we can ascertain the threshold value by oil attributes of the wells we have known.

最后, 根据已知井位的油气属性,确定归类的门槛值.

期刊摘选

Do you think you can ascertain prospect of selling such product?

您认为您能够确定这种产品的销售前景 吗 ?

期刊摘选

If are grouped into larger units one can ascertain what group an unknown plant belongs to.

如果把它们归类成较大的单位,那么就可以确知某种未知植物属于何类群.

期刊摘选

It's difficult to ascertain the coal deposits.

煤储量很难探明.

《现代汉英综合大词典》

Ascertain prestress is one of key technology in the manufacture of prestressed heat exchanger.

在预应力换热器的制造中,预应力的确定是关键技术之一.

期刊摘选

We will try to ascertain if a new planet exists in our solar system.

我们将查明我们的太阳系中是否存在一颗新的行星.

期刊摘选

The foundation of adjusting business cost is to ascertain this city's strategic orientation.

城市商务成本调整的起点,是明确城市的战略定位.

期刊摘选

Such a record is helpful for consultants, attending physicians and nurses ascertain the patient's progress.

这种记录能帮助顾问医生 、 主治医生和护士了解病人病情的发展变化.

期刊摘选

It has been difficult to ascertain the correct source of origin.

要查实材料的正确起源很困难.

辞典例句

I am going to ascertain the truth.

我将弄清事实真象.

辞典例句