to ascertain
01
确定, 查明
to determine something with certainty by careful examination or investigation
Transitive: to ascertain sth
例子
The detective ascertained the identity of the culprit through fingerprint analysis.
侦探通过指纹分析确定了罪犯的身份。
By conducting experiments, scientists ascertained the effectiveness of the new drug.
通过进行实验，科学家们确定了新药的有效性。
02
使确信, 确认
to make someone sure or confident about something
Transitive: to ascertain sb of sth
例子
The teacher ascertained the students of their success in the final exam.
老师确信学生们在期末考试中会取得成功。
I will ascertain you of the meeting schedule once it's confirmed.
一旦确认，我会通知你会议时间表。
词汇树
ascertainable
ascertained
ascertain
