countdown
n ~ (to sth)
(a) [C] counting seconds backwards to zero before firing a rocket, etc 倒数秒.
(b) [sing] (fig 比喻) period immediately before sth important happens 大事临近的时期
the countdown to the local election 地方选举日益临近的时候.
🗣️ 情景例句
By all means, you ahead.
当然可以。随便。
The ancient Roman civilization was finally destroyed by the nomadic tribles.
古罗马终于被游牧民族灭亡了。
Then, instead of spending maybe five hours typing the report again, you can print the new copy in one minute!