英文關鍵字
air
aqua
backdrop
background
bladder
bottom
bubbles
closeup
current
environment
fast
flows
fresh
level
lie
lying
mineral
mountain
move
natural
nature
old
pond
rapids
rays
river
rocks
rocky
shallow
shine
stones
stream
strong
sun
sunny
surface
thresholds
transparent
travel
under
view
water
wildlife