( emergencies) [, ]a sudden serious event or situation which needs immediate action紧急情况；突发事件◆Staff are trained on what to do in an emergency.培训员工如何应对突发事件。 [] (used as an adjective 用作形容词) used or done in an emergency紧急的；应急的◆They maintain emergency stocks of oil.他们维持应急石油储备。◆The company called an emergency board meeting to discuss the offer.公司召开紧急董事会会议讨论这一提议。