大学英语：ascertain的意思

动词

弄清，查明

词形变化形容词

ascertainable

副词

ascertainably

名称

ascertainment

时态

ascertained，ascertaining，ascertains

单词分析

这些动词均有“发现”之意。

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。

英语解释

establish after a calculation, investigation, experiment, survey, or study

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

be careful or certain to do something make certain of something

learn or discover with certainty

　　例句

"To discover or ascertain through observation, experience, or study"

经过观察、经验或研究发现或查明.

"knew that the statement was false or misleading  or,  with  reasonable diligence, could have ascertained that it was false or misleading,"

知悉该申报系失实或令人误解，或经合理努力应可确定其为失实或令人误解者

Herod next called the astrologers to meet him in private,and ascertained from them the time when the star had appeared

希律王私下又把占星学家召了来，问清楚那星是何时出现的。

As soon as we have ascertained the facts and got to the bottom of a case, we should pass judgement on it.

有些案子当断即断，抓住事件的主要问题，查清了就处理。

Bartleby was one of those beings of whom nothing is ascertainable except from the first sources, and in his case, those are very small

有些人，除了第一手材料以外，你别想了解到其他情况，巴特比就是其中之一，但是，就他的情况而论，第一手材料也少得可怜。

That is, there is an ascertainable range of human behavior that is found wherever a sufficiently large series of individuals is observed

这就是说，在对足够多的个体系列进行观察时，可以发现一个能确定的人类行为的范围。

Therefore, the true origin of any piece of wood packing material is difficult to determine and thus its phytosanitary status cannot be ascertained.

因此，所有木质包装材料的真实原产地难以确定，从而使其植物检疫状况也不能确定。

A people's court may handle an appealed case by examining the court records, if it considers the facts clearly ascertained.

人民法院对上诉案件,认为事实清楚的,可以实行书面审理.

Danglars looked at him askance, as though to ascertain whether he spoke seriously

腾格拉尔斜眼望着他，看他说话的态度是否在取笑他。

She still kept her lips tightly compressed, as if determined fully to ascertain her longitude and position, before she committed herself

她依旧一言不发，仿佛打定了主意，在没有完全弄清自己的处境以前，决不随便发表意见。

　　相似短语

investigate and ascertain

【法】 查明, 查清

maintain railways

养路

against the grain

反方向；违背意愿，使反感，使不快

air raid

n. 空袭

brain drain

n.智囊流失,人才外流

prevail against

胜过,战胜

rail against

责骂,挑剔,抱怨

air container

航空集装箱

air grain

气眼

airtight container

密封容器

相似单词

ascertain

v.

弄清，查明

AI

(abbr. = artificial intelligence) 人工智能

人工智能，一般简称为AI，是研究、开发用于模拟、延伸和扩展人的智能的理论、方法、技术及应用系统的一门新的技术科学。

ai

abbr.

1.=accidentally incurred 偶然招致的，遭遇意外

2.=artificial insemination人工授精

3.=artificial intellig

maintainability

可维护性

hairbrained

adj.

(=harebrained)轻率的,浮躁的,粗心的

maintainer

n.

1.养路机，维护人员，保持器，检修人员

zaikai

<日>n.商界,财团[日文汉字：财界]

brainsdrain

【法】 人才外流

Kaitaia

pla.凯塔亚KAT,新西兰

aiai

n. (= AIAI) 伊斯兰团结组织（索马里伊斯兰激进团体，起初为集体组织募集资金，曾伏击美国陆军游骑兵部队，并在埃塞俄比亚进行恐怖炸弹袭击）​