ascertain [,æsə'tein]

vt.
确定, 探知

单词认知/跟读练习/词义回想/单词回想/字母填空/听写练习/选择练习/默写练习/单词测试（初中高）

单词 ascertain 网络释义

及物动词 vt.
1.查明,确定,弄清[+(that)][+wh-]
Can you ascertain who he is?
你能否查明他是何许人?
We ascertained that he was dead.
我们断定他已死了。

单词 ascertain 其它相关

单词解释
vt. 确定,探知
1> To discover with certainty, as through examination or experimentation. Synonym: DISCOVER.
2> Archaic. To make certain, definite, and precise.
相关例句
It is difficult to ascertain what happened here.
　 这里发生的事情很难查明。
I ascertained that he was dead.
　 我确定他已经死亡。
We must ascertain the public's wishes.
　 我们必须探查 [弄清] 大众的希望。
She wanted to ascertain that her son was among the wounded.
　 她想要弄清儿子是受伤者之一。
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。
I ascertained the disease to be diphtheria.
　 我确定该病为白喉。
Did the doctor ascertain the cause of your opinion?
单词变化
时态: ascertained; ascertained; ascertaining
单词词根
词根：cert=确实,确信,确定
certitude n. 确实,确信
incertitude n．疑惑，不确定
certain a.确实的；肯定的
certainly ad.一定，必定；当然
certainty n.必然，确实
uncertain adj.不确定的，易变的
uncertainty n.不定，易变
certify v.证明
certifier n. 证明者
certified a. 被鉴定的
certifiable a. 可证明的,可保证的,可确认的
certification n.证明
ascertain v.查明，弄清
certificate n.证书，证件，执照
同义反义
同义词：unearth, certify, appraise, determine, detect, establish, discover, learn, solve, find, uncover, identify
反义词：suppose, assume, guess, surmise, conjecture, infer, imagine.

单词 ascertain 其它例句

- I ascertain that I can finish it!
　 我确定我能够完成它。
- We shall probably never be able to ascertain the exact nature of these sub-atomic particles.
　 我们可能永远いぇ确定不了亚原子粒子的确切性质。
- i ascertain that he was murdered.
　 我确定他是被谋杀的。