A praying mantis on high alert waits for insects drawn through the night to collect Ochroma blossom pollen.

一只螳螂正伏在高处，机警的等待着那些在夜空里飞来飞去以收集巴尔沙树花粉的昆虫。

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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。

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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。

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Today's New York Times reports that American and NATO forces in Bosnia are now on a high state of alert in light of a perceived threat from Islamic extremists still operating in Bosnia.

CENTERFORSECURITYPOLICY: Center For Security Policy

South Korea is currently on a high state of alert amid indications that the North is preparing for a missile test.

BBC: North Korea: US urges China to rein in Pyongyang

South Korea has put its armed forces on a high state of alert.

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