英文關鍵字
acidification
archipelago
areas
barrier
bay
beautiful
biology
blue
cave
cavern
change
climate
colorful
colors
conservation
coral
current
damselfish
deep
diving
ecosystem
environment
erode
eroding
erosion
fish
fishing
formed
habitat
harbors
hole
holes
invertebrates
island
lagoon
landscape
life
lower
marine
micronesia
much
natural
nature
niche
ocean
pacific
palau
plenty
reef
research
scenery
scenic
science
sea
seascape
serve
several
shallow
sink
small
snorkeling
swim
today
tourism
travel
tropical
tropics
underwater
variety
water
wildlife