| 例句 |
The commander issued a red alert.指挥官发出了紧急警报。All the hospitals are on red alert.所有医院都处于紧急待命状态。The troops have been put on red alert.军队已经进入紧急状态。The country is on red alert.这个国家正处在紧急戒备状态。Sirens sounded an end to the red alert.警报声宣告了红色预警的结束。Three major rivers have already flooded, and two more are on red alert.三条大河已经泛滥，还有两条已到了红色警戒水位。His sudden disappearance triggered a red alert among his friends.他的突然失踪让朋友们都紧张起来。Armed officers swarmed to the scene as paramedics waited on red alert.大批武装警察前往现场，护理人员随时待命。A red alert was sounded on the island as the storm approached.风暴来袭，岛上拉响了紧急警报。 |