The countdown has begun for the launch of the space shuttle.

航天飞机发射前的倒计时已经开始。

《柯林斯英汉双解大词典》

There's one thing that all New Year's Eve parties have in common: the countdown to midnight.

所有的除夕夜派对都有一个共同点：午夜倒计时。

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The countdown has begun.

倒计时已经开始。

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It was the countdown for Apollo Eleven the space flight that would carry men to the first landing on the moon.

VOA: special.2009.07.15

The countdown reached zero just as Frank Borman and James Lovell, in Gemini Seven, passed overhead.

VOA: special.2009.07.01

The countdown at Cape Canaveral reached zero as Gemini Seven passed overhead.

VOA: special.2009.07.01

WBGO's Josh Jackson hosts the countdown to 2009, central time (with help from WWNO).

NPR: Toast Of The Nation Swings Into 2009

The drumbeat will only get louder in the countdown to the EU summit next week.

BBC: Europe: Condition acute for eurozone

Mr Hussein will find that he has much less room to wriggle once the countdown begins.

ECONOMIST: Countdown for Saddam | The