英文關鍵字
enforcement
crime
car
night
dark
blue
red
police
siren
emergency
safety
security
service
patrol
black
warning
light
illuminated
flash
traffic
rescue
officer
danger
accident
law
ambulance
arrest
blurs
vehicle
cop
crash
alternating
urgency
urban
blurry
strobe
background
backdrop
abstract
bokeh
color
effect
beautiful
bright
transportation
blur
beacon