英文關鍵字
daylight
police
siren
blue
snow
close
car
alarm
service
road
accident
light
flashing
color
visible
snowfall
blizzard
ambulance
rescue
cover
skidded
swept
help
not
cope
do
utilities
inactivity
cleaning
removal
first
lot
breakage
power
lines
networks
grids
roads
pass
public
safety
sign
lights
medicine
lamp
flash
beacon
emergency