The armed forces were on high alert to guard against any retaliation.
武装部队保持高度警惕，以防发生任何报复行为。
The cave fish, on the other hand, remain on high alert, patrolling their habitats even after hours.
而另一方面，穴居鱼仍然保持高度警惕，三更半夜还在居住的地方游来游去。
Australia's beaches are on high alert and stretches of coastline have been closed to swimmers after three shark attacks in 24 hours.
24小时内澳大利亚发生三起鲨鱼袭击事件，现在澳大利亚海滩处于高度警戒中，绵延的海岸线已经被封闭。
Both sides put their nuclear forces in high alert.
双方的核力量都在高度戒备中。
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.
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。
Without stress management, all too often your body is always on high alert.
不去控制压力，身体会一直处于高警戒状态。
Key installations in Kabul and around the country remain on high alert as a result of the assault on the hotel.
对酒店的攻击事件使喀布尔和全国各地的主要设施保持高度警戒。
Specifically, Helt said, it could diffuse stress after a period of being on high alert and spread a feeling of calm through a group.
特别是它可以在经历一段高度紧张的阶段后，分散压力，在群体里传播平静的感觉。
After Palmer accuses him of endangering Elizabeth Nash, Jack begs the candidate to keep his security at high alert because two other suspects are still at large.
在帕默指责杰克危及了伊丽莎白的安全之后，杰克恳请帕默保持他的警卫处于高度戒备状态，因为其它2名杀手还未被捕。
In relationships, you are often on high alert for signs of control or impingement by your partner.
在亲密关系中，对伴侣控制你或侵犯你的迹象，你常常保持高度警惕。
Human and animal health services must be on high alert, sharing information and quickly reporting any signs of disease in birds or humans that could be due to H5N1 avian influenza.
人类和动物卫生服务机构必须保持高度警惕，分享信息并迅速报告任何可能因H5N1型禽流感导致的禽类或人类中的疾病迹象。
We have informed the airport to be on alert as the ash is quite high this time.
克里斯蒂安托说：“我们已经通知机场时刻警惕，因为火山灰现在已经上升到高空。
我们都处在高度戒备状态。
The us went on high alert and vaccinated thousands of people - but the virus did not spread readily enough to maintain an epidemic, and fizzled out.
当时美国给予高度关注，并给好几千人注射了预防针，但这种病毒并没有迅速扩散，没有构成流行病，后来也就慢慢消失了。
Security forces were meanwhile on high alert in the centre of Guangzhou, blocking off roads and patrolling the waters off Haixinsha island, the venue of the closing ceremony.
闭幕式举行同时，广州市中心的安全部队保持着高度的警戒，通往闭幕式现场海星沙岛的道路封闭，周边水域也有警力巡逻。
THE security services in Moscow are on high alert and plain-clothed American security men mingle with Moscow police.
莫斯科安全部门保持高度警惕，身着便衣的美国安全人员同莫斯科警方混杂在一起。
Experts still disagree over whether the vaccine caused cases to increase that year, and the C.D.C. will be on high alert for reports of it this year.
专家对这年增加的病例一直有不同看法和疾病控制中心对这年的报告保持警惕。
For unusual luggage, guests or vehicles remain on high alert.
对异常的的行李、客人或车辆保持高度警惕。
How it could happen: There are currently more than 23, 000 nuclear weapons in the world, of which 8, 000 are currently operational and 2, 000 are on high alert and ready to launch on short notice.
它是怎样产生的：目前在世界上有超过23000种的核武器，其中有8000种已在使用中，还有2000种正处于高度戒备状态，随时准备发射。
This has put us on high alert, and led us to seriously look into the reasons for the problem.
这也引起了我们的高度警惕，让我们认真查找造成这些问题的原因。
Thousands of people in the path of storm Megi have fled their homes. Emergency services are on high alert and schools are closed in many areas.
在台风“鲇鱼”可能经过的区域，成千上万的人们放弃了自己的家园，应急人员更是高度戒备，许多地区的学校也关闭了。
"They now seem to be on high alert, fully engaged and thinking creatively about what they can do and what is next," he said.
他说：“他们现在似乎要保持高度警惕，充分参与并创造性地思考自己能做些什么，未来会怎样。”
Instead, the site says, "high-latitude sky-watchers should be alert for auroras when the cloud arrives, probably on August 10."
倒是据SpaceWeather.com网站说，“高纬度的地区的天空观测者们在云层出现是要注意了，看是否会有极光，可能是在8月10号。”
A former American official, speaking on condition of anonymity, says that Washington is even now in a state of "high alert".
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".
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。
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