英文關鍵字
abstract
air
aqua
backdrop
background
beams
bladder
bottom
bubbles
clean
closeup
current
day
down
environment
fast
flow
inside
into
level
lowered
lying
many
mountain
move
movement
natural
nature
pond
pressure
pure
rapids
river
rocks
rocky
shallow
stones
stream
strong
sun
sunny
surface
thresholds
transparent
under
view
water
wildlife