ascertained
US /ˌæs.ərˈteɪnd/
UK /ˌæs.əˈteɪnd/
动词
查明, 确定
found out for certain; made sure of
示例:
•
The police ascertained that the suspect was not in the country.
警方查明嫌疑人不在国内。
•
We need to ascertain the facts before making a decision.
我们需要在做出决定之前查明事实。