ascertained
US /ˌæs.ərˈteɪnd/
UK /ˌæs.əˈteɪnd/
動詞
查明, 確定
found out for certain; made sure of
範例:
•
The police ascertained that the suspect was not in the country.
警方查明嫌疑人不在國內。
•
We need to ascertain the facts before making a decision.
我們需要在做出決定之前查明事實。