Don't let things hang for a prolonged period of time.

不要把事情无限期地拖延。

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It's nearly impossible to achieve and maintain a high-alkaline pH for a prolonged period of time.

要在一小段时间内达到并维持一个高碱性PH值几乎是不可能的。

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When administered orally, the system can be retained in the gastric region for a prolonged period of time.

当经口给药时，该系统可在胃区域内保持达延长时段。

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Getting better than the compeittion is one thing, staying better for a prolonged period of time is another.

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Have you developed a business policy to deal with reduced network functionality for a prolonged period of time?

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She had been in cardiac and respiratory arrest for a prolonged period of time when the rescue team arrived.

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