英文關鍵字
accident
alarm
alert
ambulance
arrest
beacon
close
danger
emergency
fire
flashing
lamp
law
light
lights
medical
motion
pan
panning
police
protection
red
rescue
rotating
security
siren
sirens
vehicle
warning
white
英文關鍵字
accident
alarm
alert
ambulance
arrest
beacon
close
danger
emergency
fire
flashing
lamp
law
light
lights
medical
motion
pan
panning
police
protection
red
rescue
rotating
security
siren
sirens
vehicle
warning
white