ascertain
柯林斯词典
1. V-T If you ascertain the truth about something, you find out what it is, especially by making a deliberate effort to do so. (尤指经过努力) 查明[正式]
Through doing this, the teacher will be able to ascertain the extent to which the child understands what he is reading. 通过这样做,老师将能确定这个孩子对他正在读的内容的理解程度。
Once they had ascertained that he was not a spy, they agreed to release him. 一查明他不是间谍,他们就同意了释放他。
返回 ascertain
ascertain /ˌæsəˈteɪn/ (ascertaining,ascertained,ascertains)
剑桥词典
- to discover something
弄清,确定,查明
The police have so far been unable to ascertain the cause of the explosion . 警方到目前为止尚未查明爆炸原因。
[ 动词后面接一个疑问词 ] Have you ascertained whether she's coming or not? 你问清楚了吗,她来还是不来?
to make certain of something
确信
[ 词或词组后面接一个that从句 ] I ascertained that no one could overhear us before I told Otto the news . 确信没有人能听到我们的谈话之后,我才把这个消息告诉了奥托。 返回 ascertain