| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024red′ alert′, - (in military or civilian defense) the most urgent form of alert, signaling that an enemy attack is believed to be imminent.
- the signal or alarm sounded for this alert. Cf. blue alert, white alert, yellow alert.
- a signal or warning that a critical situation is developing or has occurred.
- the period during which a state of crisis or danger is declared to exist.
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