ascertain

🇺🇸 /ˌæsərˈteɪn/ 🇬🇧 /ˌæsəˈteɪn/
词频
难度
标签 TOP10000
verb
R

to find out for sure

We need to ascertain the exact time of arrival.

我们需要确定确切的到达时间。

translation

v. 查明

词形变化

3rd Present ascertains
Past ascertained
Perfect ascertained
Progressive ascertaining