英文關鍵字
accident
alarm
ambulance
area
arrest
authority
blur
blurred
blurry
city
crime
crisis
danger
dangerous
dark
department
emergency
enforcement
equipment
flash
flasher
flashing
force
help
illuminated
killing
law
legs
light
lights
medical
murder
night
nightfall
occupation
order
outdoor
outside
police
problem
protection
rescue
robbery
scene
security
serene
service
symbol
view
witnesses