backdate
v [Tn] declare that (sth) is to be regarded as valid from some date in the past 宣布(某事物)自过去某日起即为有效
a pay increase awarded in June and backdated to 1 May 6月份发放的从5月1日算起的增薪.
🗣️ 情景例句
Are you hitting on me?
你想调戏我吗?
Are you living in a dorm this term?
本学期你是住在学校宿舍吗?
Assuming that his family had been killed during an air raid, Hans settled down in a village fifty miles away where he had remained ever since.