red alert
短语紧急警报
发音
US
词形变化
red alerts
复数
red alerts
释义与例句
n.
-
1.
A warning that indicates an emergency situation.
可数 不可数Ninety-nine red balloons Floating in the summer sky Panic bells, it's red alert There's something here from somewhere else
-
2.
A state of readiness to deal with such emergency situation.
可数 不可数