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
Could you have a taxi waiting for me, please?
能否叫辆出租车等我?
When will he come to see you?
他什么时候来看你?
The other students in the class keep their eyes closed.