英文關鍵字
alert
attention
background
bad
ban
banner
beach
beauty
beware
blue
caution
coast
coastal
coastline
danger
dangerous
entry
extreme
flag
forbidden
hazard
hurricane
landscape
ocean
prohibit
prohibition
protection
red
rescue
restriction
risk
safety
sand
sea
seashore
seaside
shore
shoreline
sign
signal
sky
storm
swimming
warn
water
wave
wind
windy