预备警报的英文

yellow alert

• 预备:    prepare; get ready
• 警报:    alarm; warning; al ...
• 空袭预备警报:    air-raid preeautio ...

例句与用法

1. For the time being in the interest of national safety we are declaring a state of yellow alert .
   目前为了国家安全起见，我们宣布全国处于空袭预备警报状态。