英文關鍵字
accident
accidents
arrest
assistance
black
blinking
blue
bright
brightly
car
city
crime
dark
disasters
driving
dusk
emergency
equipment
flash
flasher
force
headlight
illuminated
isolated
justice
land
law
life
light
lighting
lights
lit
misfortune
night
occupation
patrol
people
police
roof
safety
security
services
shiny
siren
sirens
spinning
staff
street
surveillance
urgency
vehicle