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- Defense Condition National Defense Alert Status 戒备状态
- Our military is on high alert status. 我们的军队处于高度戒备状态。
- The US is not raising its terror alert status. 美国目前没有提高反恐警戒线。
- In response to that announcement Tuesday, South Korea said it has strengthened its security level and alert status. 做为北韩宣布的回应，南韩星期二说提升自己的安全级别和警戒状态。
- Airports throughout India have been on red alert status - the highest - since the Sept. 11 terror attacks in the United States. 自9月11日美国发生恐怖袭击事件以来;印度全国所有的机场已处于最高级别的红色警戒状态.
- Our military at home and around the world is on high alert status and we've taken the necessary security precautions to continue the functions of your government. 我们国内和世界各地的军队目前处于高度戒备状态，我们已采取必要的安全预防措施继续你们的政府的职能。
- The rapid spreading of several variations on recent mass-mailing worms that were released to the Internet over the weekend has caused security companies to raise their alert status levels. 数种大量发送邮件的病毒上周末在互联网上大量扩散,使得系统安全厂商提高了他们的病毒警告级别。
- There is no immediate need to raise the alert status for Indonesia's volatile Mount Merapi, despite magma moving higher inside the volcano, a leading vulcanologist said on Thursday. 一位主要的火山研究者周四表示，尽管岩浆在这座活跃的火山内逐渐升高，但目前并没有提高警戒层级的立即需要。
- alert Our military is on high alert status. 我们的军队处于高度戒备状态。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Many heroic men and women have died in defense of liberty. 许多英勇的男男女女为捍卫自由而牺牲。
- One should not run about aimlessly during an alert. 空袭警报期间不可到处乱跑。
- She is always on the alert for some new calamity. 她总是保持警觉以防某种新的灾难。
- Keep on the alert; we're due for an inspection. 提防着点，轮到检查我们了。
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- Be sure to be watchful or alert. 必须留神，千万要提防。
- Tactical Air Defense Alerting System 战术防空警报系统
- Tactical Area Defense Alerting Radar 战术地区防御警报雷达
- They are repairing the defense works. 他们正在修防御工程。
- The accused has the right to defense. 被告人有权获得辩护。
