| 1. | A battalion of combat-hardened public-relations officers stood on red alert twenty-four hours a day .
一营久经战阵的新闻发布官也接到命令，二十四小时都处于紧急戒备状态。 |
| 2. | The district was put on red alert during a terrorist bomb scare
这个地区在得到恐怖主义者轰炸后作了应急准备。 |
| 3. | Always on red alert with him
对他总是红色警戒 |
| 4. | Eva : when the fortress went on red alert , they sealed off the sewers
当要塞进入红色警戒状态，他们就会封锁下水道。 |
| 5. | Datong is so bad that last winter the city ' ' s air quality monitors went on red alert
去年冬天，大同的空气质量实在太差，以致亮起红色警报。 |
| 6. | 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 |
