英文關鍵字
acidification
adventure
animals
beams
beautiful
biodiversity
biology
black
blacktip
blue
change
climate
colorful
conservation
coral
diverse
diversity
diving
ecology
ecosystem
endemic
environment
evolution
fish
habitat
healthy
island
islands
lagoon
landscape
life
light
marine
micronesia
nature
niche
ocean
pacific
palau
predator
reef
republic
research
reserve
rock
sanctuary
scenery
scenic
science
scuba
seascape
shark
snorkeling
species
sunlight
swim
swimming
swims
symbiosis
tourism
travel
tropical
tropics
underwater
water
wild
wilderness
wildlife