the countdown to [event]
表示指向某一事件或时刻的倒计时。
The countdown to the New Year has begun.
新年的倒计时已经开始。
倒计时
（发射前的）准备工作；（音乐）排行榜倒计时节目；倒计时,向事件发生的时间倒数；从任意数字倒计时以指示事件(如航天器发射)前剩余的时间；倒计时期间的准备工作
the act of counting backwards to the time of an event, especially a space launch
倒计时,向事件发生的时间倒数
A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
从任意数字倒计时以指示事件(如航天器发射)前剩余的时间
counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle)
倒计时期间的准备工作
The acts of preparation carried out during this period.
A radio or television program counting down the top songs of a given week, usually in reverse order and ending with the number one song.
The mission control began the final countdown for the rocket launch.
任务控制中心开始了火箭发射的最终倒计时。
用法提示：countdown 作为名词，表示发射前的倒计数。
We watched the countdown to midnight on New Year's Eve.
我们在除夕夜观看了午夜倒计时。
用法提示：countdown 作为名词，指迎接新年的倒计时。
The referee started the countdown for the penalty shootout.
裁判开始了点球大战的倒计时。
用法提示：countdown 作为名词，表示比赛中的倒计时。
表示指向某一事件或时刻的倒计时。
The countdown to the New Year has begun.
新年的倒计时已经开始。
表示时长的倒计时。
We waited through a ten-second countdown.
我们等待了一个十秒的倒计时。
countdown 可作定语，修饰 timer, clock 等名词。
The countdown timer showed 5 seconds remaining.
倒计时计时器显示还剩5秒。
grammar · medium
易错句子We are countdowning to the launch.
正确表达We are counting down to the launch.
错误：将名词 "countdown" 误用作动词。英语中 "countdown" 是名词，表示倒计时的过程；动词短语应为 "count down"。
grammar · medium
易错句子There is countdown before the rocket launches.
正确表达There is a countdown before the rocket launches.
错误：可数名词 "countdown" 前缺少冠词。在表示一次具体的倒计时时，需要加不定冠词 "a"。
本条目针对 countdown 的名词义「倒计数」（向零倒数以指示剩余时间）。count-up 指从起始值向前计数以指示经过时间，是 countdown 的对应反义词；二者计数方向相反，不可互换使用。
最后的倒计时
The final countdown to the New Year has begun.
新年的最后倒计时已经开始。
开始倒计时
Mission control started the countdown for the rocket launch.
任务控制中心开始了火箭发射的倒计时。
倒计时开始
The countdown begins ten seconds before liftoff.
倒计时在升空前十秒开始。
倒计时钟
A large countdown clock was placed in the town square.
一个巨大的倒计时钟被放置在镇广场上。
倒计时器
Set the countdown timer on your phone for five minutes.
把手机上的倒计时器设为五分钟。
发射倒计时
The countdown to launch was halted due to bad weather.
发射倒计时因天气恶劣而暂停。
count (计数) + down (向下)
count (计数) + less (无)
down (向下) + town (城镇)
倒计时已开始；已进入倒计时（指为即将发生的重要事件做准备）
The countdown is on for the final exam.
期末考试的倒计时已经开始了。
最后倒计时；事件发生前的最后阶段
The final countdown to the launch has started.
发射前的最后倒计时已经开始。
这是最后的倒计时。
The band Europe's song with the line "It's the final countdown" is a popular choice for New Year's Eve countdowns.
欧洲乐队的歌曲中有这样的歌词：“这是最后的倒计时”，这首歌是新年夜倒计时的热门选择。
Dictionary facts from ECDICT, WIKTIONARY.