At the esoteric edge of the timekeeper's craft, they are too wobbly to keep time by themselves.

在这个原子钟的装置里，它们还是太不稳定了，不能靠自身确保时间。

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The laser tracking system would work by giving space craft and satellites, which are able to be maneuvered, time to move out of the way of an incoming chunk of debris.

VOA: standard.2010.07.24

Such a system was designed years ago to give reporters time to craft their articles.

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On Sunday, the lead changed for the last time when Craft drove the length of the court and spun in a layup with his back to the basket.

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Allow each group ample time to craft its questions.

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