英文關鍵字
underwater
undersea
background
scene
sea
ocean
plant
aquarium
vertical
video
marine
water
surface
aqua
aquatic
bottom
reef
coral
vegetation
shallow
floor
bubble
tropical
serene
tranquil
relax
colorful
vibrant
blue
azure
turquoise
clean
pure
scuba
dive
diving
snorkeling
seascape
ecosystem
environment
sun
ray
sunbeam
sunlight
scenery
people
close
screen
3d
digital
animation