英文關鍵字
barging
beach
beachcomber
billow
breach
breaker
cave
cavern
choppy
cliff
cliffside
coast
comber
cove
crash
crashing
eroded
erosion
foam
foamy
froth
grotto
hole
jagged
nature
passage
rapid
riptide
rock
rocky
roller
rough
sea
seaside
shore
stone
stony
strength
surge
swift
tidal
tide
tunnel
undertow
vehemence
water
wave
waves