英汉词典

ascertain 基本解释

vt.

弄清，确定，查明；

变形

过去式：ascertained过去分词：ascertained现在分词：ascertaining第三人称单数：ascertains

双语释义

v.(动词)vt. 弄清,查明 discover, to make certain

英英释义

ascertain[ ,æsə'tein ]

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

同义词：determinefindfind out

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

同义词：seecheckinsuresee to itensurecontrolassure

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

同义词：determinecheckfind outseewatchlearn

learn or discover with certainty

ascertain 相关例句

词汇搭配

用作动词 (v.)～+副词

• ascertain accurately准确地查明
• ascertain dimly不是很确定
• ascertain distinctly清楚地查明
• ascertain instantaneously即刻弄清
• ascertain unhesitatingly毫不迟疑地确定
• ascertain vaguely没弄清楚

～+介词

• ascertain from从…查明

同近义词辨析

detect, discover, ascertain, find

这组词都有“发现”的意思，其区别是：

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。

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。

ascertain较正式用词，指有意搜寻与发现。

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。

双语例句

用作及物动词(vt.)

1. I ascertain that he was murdered.
   我确定他是被谋杀的。
2. I ascertained the disease to be diphtheria.
   我确定该病为白喉。
3. The detective was trying to ascertain exactly who was at the party.
   这个侦探试图查明都有谁参加了聚会。
4. I'm going to ascertain the truth.
   我要查明真相。
5. It's difficult to ascertain the coal deposits.
   煤储量很难探明。
6. My purpose is to ascertain whether you are interested or not.
   我的目的是要弄清你是否感兴趣。

权威例句

How to ascertain the values of sigma x , σ y , and σ z of a spin- 1/2 particle
How to ascertain the values of sigmax, sigma y, and sigma z of a spin-1/2 particle
ESTIMATION OF FIRE LOAD IN A BUILDING AND PROCEDURE TO ASCERTAIN SAFETY OF STRUCTURAL ELEMENTS
A Study to Ascertain the Effectiveness of Dual Task Over Single Task Training in Reducing Fear of Falling Among the Elderly
Auxiliary device for exact boring of holes in surfaces of wide workpieces with drilling bush in fixture, has fixture of drilling bus...
On the Report by the Commission on the Measurement of Economic Performance and Social Progress (2009)
Complications associated with the technique of pedicle screw fixation. A selected survey of ABS members.
Affective images of tourism destinations.
Analytical system for monitoring a substance to be analyzed in patient-blood
Neuroendocrine aspects of primary endogenous depression. XI. Serum melatonin measures in patients and matched control subjects.