英文關鍵字
aqua
aquatic
beach
blue
calm
clear
climate
drown
ecology
environment
flow
foam
green
horizon
infinite
landscape
lifeguards
litter
marine
natural
nobody
ocean
protection
rips
saltwater
sea
seascape
shore
sky
space
stones
storm
summer
surf
surface
swim
tranquility
travel
trip
vacation
water
waves
winter