Gb	Eng
火警警报响时全体人员应到楼外集合.	If the fire-alarm goes, staff should assemble outside the building.
我一看见冒烟，就发出了警报。	I gave the alarm as soon as I saw the smoke.
防盗警报器一响，警卫就放出了警犬。	The guard loosed the dogs when the burglar alarm went off.