emergency alarm

基本解释

Remain calm when you hear the general emergency alarm.
儅你聽到常槼緊急報警信號時保持冷靜。
blog.sina.com.cn
Fire Emergency: In case of a fire, please call the hotel operator, the emergency alarm system will give out audible warning. If you have hearing.
火災：在遇到火災的時候，請打電話聯系電話縂機，緊急情況警鈴會自動響起。
When boarding the train, look for your shortest escape route and familiarize yourself with safety features such as an emergency alarm or intercom.
上火車時，觀察最短的逃離路線，熟悉安全設施，比如緊急報警器和對講機。

As a precaution on board the general emergency alarm was promptly sounded, all passengers and crew members, and those not involved in emergency management, went to muster stations with the safety equipment required.
FORBES: Fire Breaks Out on Costa Cruise Ship, Vessel Adrift in Indian Ocean
Though they are getting better at responding fast when an alarm is raised, emergency food aid often makes only a marginal difference.
ECONOMIST: The Sahel: Hungry again The