睡觉之前，避免繁重工作，否则会使身体处于警戒状态。
Avoid heavy work out just before bedtime, it makes your body alert.
它们也许看上去已经死去，但有时它们也会奋起战斗，时刻处于警戒状态。
Although they may appear dead, they sometimes spring up to attack, so always be on alert.
其中火势最大的是亚利桑那州，该州一个镇地居民们已经可以回家了，但是其他地区仍然处于警戒状态。
The biggest is Arizona, where residents of one town can go home but other areas still off limits.
他们表示这名工人试图驾驶一辆后座装有小型爆炸物的轻型卡车进入这座距离菲尼克斯市区50英里的核电站，目前电站已关闭并处于警戒状态。
They say he tried to enter the plant with a small explosive device in the back of his pickup truck. The plant about 50 miles west of downtown Phoenix was put on lockdown.
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.
不去控制压力，身体会一直处于高警戒状态。
Without stress management, all too often your body is always on high alert.
袭击发生在8月21号，当时中国各地由于举办奥运而处于高度警戒状态。
The bomb attack on August 21st came as security across China was on high alert for the Olympic games.
脑电图显示，控制那只踭开眼睛的脑半球处在警戒状态下，而另外一半大脑则是处于高质量的深睡状态。
Electroencephalograms5 showed the brain hemisphere regulating the open eye was alert, while the other was experiencing high-quality sleep.
脑电图显示，控制那只踭开眼睛的脑半球处在警戒状态下，而另外一半大脑则是处于高质量的深睡状态。
Electroencephalograms5 showed the brain hemisphere regulating the open eye was alert, while the other was experiencing high-quality sleep.
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