英文關鍵字
accident
alarm
ambulance
arrest
authority
auto
automobile
background
black
blue
bracelet
bulb
burning
car
catch
chase
cop
court
crime
criminal
danger
dangerous
dark
drive
driving
duty
emergency
enforcement
fire
flash
flasher
gangster
handcuff
handcuffs
incident
judgment
justice
law
light
lights
lock
man
night
officer
order
outlaw
outlow
patrol
person
police
policeman
prison
prisoner
protect
protection
punishment
raid
red
retro
road
rotating
rotation
round
safety
scene
security
shining
silhouette
siren
sport
surveillance
system
thief
traffic
transport
transportation
urban
urgency
vehicle
warning