英文關鍵字
warning
caution
red
white
danger
line
safety
nobody
sign
strip
zone
tape
symbol
barring
day
striped
precaution
pandemic
outside
outdoor
forbidden
stopping
security
protection
daylight
forest
spring
stop
attention
barrier
英文關鍵字
warning
caution
red
white
danger
line
safety
nobody
sign
strip
zone
tape
symbol
barring
day
striped
precaution
pandemic
outside
outdoor
forbidden
stopping
security
protection
daylight
forest
spring
stop
attention
barrier