英文關鍵字
activity
adventure
aquatic
background
blue
boat
deep
depth
descending
descent
dive
diver
divers
diving
down
hailstone
holiday
japanese
lagoon
life
marine
maru
micronesia
ocean
operation
pacific
scenes
scuba
sea
seascape
ship
shipwreck
sport
submerged
sunken
tranquility
truk
turquoise
under
underwater
vacation
war
water
world
wreck