to ascertain
01
确定, 查明
to determine something with certainty by careful examination or investigation
Transitive: to ascertain sth
例子
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
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
