| 单词 | 预警 |
| 释义 | 〔torpedo〕A small explosive placed on a railroad track that is fired by the weight of the train to sound a warning of an approaching hazard.信号雷管：一种置于铁路轨道上的小型爆炸物，由火车的重量引爆，这样来预警临近的危险〔presage〕To indicate or warn of in advance; portend.预警：预先暗示或警告；预示〔screen〕A body of troops or ships sent in advance of or surrounding a larger body to protect or warn of attack.护航队：置于主体前面或周围的一支部队或舰队，起保护或预警作用〔scramble〕A swift takeoff of military aircraft in response to an alert or an attack.紧急起飞：战斗机的紧急起飞以预警或阻止进攻 |
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