在这段时间内，章鱼母亲一直在警戒状态。
例如，她证实，在911事件之前，白宫已经出于高度警戒状态，但是他冷谈的说：“历史记录没有反映出这些。”
For example, she testified that the White House was on high alert before 9/11, but, he dryly notes, “the historical record does not reflect this.”
来往频繁的油轮使这片海域一直处于可能发生石油泄漏的高度警戒状态下，而世界自然基金会估计，在未来10年里，仅从波罗的海通过的油轮数就可能翻一番。
The area is permanently on high alert for spills because of intense tanker traffic, which the World Wide Fund for Nature estimates could double in the next 10 years in the Baltic alone.
我们的过滤器在默认状态下设定在了1 -5级的警戒级别，也就是4级，而5级是最具排他性的。
By default, our filters had been set to a vigilance level of four on a 1-to-5 setting, with five being the most exclusionary.
一位前美国官员，在匿名的状态下表示，华盛顿现在甚至处在“高度警戒”的状态之中。
A former American official, speaking on condition of anonymity, says that Washington is even now in a state of "high alert".
另一半大脑在低水平警戒状态下保持清醒。
The other half of the brain stays awake at a low level of alertness.
另一半大脑在低水平警戒状态下保持清醒。
The other half of the brain stays awake at a low level of alertness.
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