ahead of time
US /əˈhɛd əv taɪm/
UK /əˈhɛd əv taɪm/
1.
提前, 预先
before the scheduled or expected time
:
•
We arrived at the airport an hour ahead of time.
我们提前一小时到达机场。
•
It's always good to prepare your presentation slides ahead of time.
提前准备好演示文稿幻灯片总是好的。