| 单词 | blue alert |
| 释义 | blue alertnoun(in military or civilian defense) an alert following the first, or yellow, alert, in which air attack seems probable. Compare red alert, white alert, yellow alert. Words nearby blue alertbludge, bludgeon, bludger, blue, blue agave, blue alert, Blue and the Gray, Blue Army, blue-arsed fly, blue baby, blueback salmon Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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