英文關鍵字
cone
road
traffic
warning
design
icon
symbol
construction
forbidden
street
danger
stop
element
caution
barrier
car
highway
object
safety
signal
truck
white
construct
dangerous
stoplight
control
exterior
orange
accident
crossing
crosswalk
circle
simplicity
real
under
work
boundary
modern
striped
lamp
motion
graphic
animation
pictogram
hd
animated
sign
color