事故: malfunction; trouble; fault; failure; mistake; accident; mishap 短语和例子造成事故 bring about an accident; 减少事故 cut down accident; 预防事故 provide against accidents; 交通事故 traffic accident; 一次事故使他双目失明
紧急: urgent; pressing; critical; emergent; pressure; emergency; urgency 短语和例子紧急关头 critical moment; 在非常紧急的时候 in extraordinary emergencies; 应付紧急事变 rise to the emergency; 发出紧急呼吁 issue an urgent ap
