Hypernyms:period period of time time period
Inherited Hypernyms:air alerttime periodfundamental quantitymeasureabstractionentity
| 单词 | air alert |
| 释义 | Air Alert nnoun.timethe time period during which military and civilian agencies are prepared for an enemy air attack Hypernyms:period period of time time period Inherited Hypernyms:air alerttime periodfundamental quantitymeasureabstractionentity nnoun.statethe condition in which combat aircraft are airborne and ready for an operation Examples:
Hypernyms:alert qui vive Inherited Hypernyms:air alertalertreadinessstateattributeabstractionentity nnoun.communicationthe warning signal that begins a period of preparation for an enemy air attack Hypernyms:alarm alarum alert warning signal Inherited Hypernyms:air alertalarmsignalcommunicationabstractionentity |
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