Rescuers said they would resume drilling a separate shaft as a back-up plan in case of problems with the first one.

救援人员称，作为备用他们将会重新开钻另一口竖井，以防第一口竖井出现问题。

youdao

The global system of monitoring stations being built to back up the CTBT was just a plan in 1999 but is now nearing completion (with some in America).

支持核禁试条约的全球监测站系统虽然只是从1999年才开始规划但是到目前已经接近于完成（其中的一部分设于美国本土）。

youdao

Back up your environment and perform the upgrade using the detailed plan that you have developed and fine-tuned in the previous stages.

对环境进行备份并使用在前面阶段中开发并调整过的详细计划来执行升级。

youdao

So "The Back-Up Plan" is to become a single mother with the help of modern science.

VOA: standard.2010.04.30

(OMITTED) "The Back-Up Plan" marks the feature film directing debut of Alan Poul, an award-winning television producer and director on shows including "Six Feet Under."

VOA: standard.2010.04.30

What they are hoping to do is to come up with a coordinated plan to ease the recession, get their economies back on track and put in place regulatory measures to try to prevent similar crises in future.

VOA: standard.2009.04.02

Instead, her latest credits include box office dud The Back Up Plan and shelved album Love?

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My parents taught me to always have a back up plan, and a plan to back up the back up plan.

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So, what is the back-up plan if the stories run out or they are unable to meet the challenge?

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