柯林斯詞典red alert (red alerts) 1. N-VAR If a hospital, a police force, or a military force is on red alert, they have been warned that there may be an emergency, so they can be ready to deal with it. 緊急警報 All the St. Louis hospitals are on red alert. 所有的聖路易斯毉院都拉響了緊急警報。 返回 red alert劍橋詞典(the state of being ready to deal with) a sudden dangerous situation 緊急戒備狀態(tài)；緊急警報 The army was on red alert against the possibility of an attack . 軍隊(duì)進(jìn)入緊急戒備狀態(tài)，隨時準(zhǔn)備應(yīng)付可能發(fā)生的襲擊。 返回 red alert