英文關鍵字
algae
aqua
aquatic
biomass
bottom
boulder
covered
deep
dense
depth
different
dive
diving
ecology
ecosystem
environment
exploration
exploring
flora
forest
grass
green
growing
life
marine
moss
nature
ocean
plants
rocks
rocky
scenic
sea
seagrass
seaweeds
stone
subaquatic
submerged
subsea
transparent
undersea
underwater
unknown
variety
various
vegetation
water
weed
weedcovered
world