英文關鍵字
aquatic
ascending
bubbles
deep
depth
dive
diver
divers
diving
eco
end
first
group
hang
holiday
lagoon
marine
method
micronesia
nature
ocean
people
recreational
safety
scene
scuba
scubadiver
sea
ship
silhouette
slowly
sport
stop
sun
surface
tank
tourism
tropical
truk
under
undersea
underwater
water
wildlife
world