英文關鍵字
airy
are
beautiful
blue
bottom
cascade
cave
cavity
cold
creek
descent
div
diver
diving
failure
fall
falls
forest
frost
green
gypsum
ice
immersion
karst
lake
landscape
located
long
manhole
mountain
natural
nature
ocean
preparation
preparing
river
rock
scuba
sea
shallow
sky
small
snow
snowy
speleodivers
spring
stalactites
stalagmites
stone
stream
summer
tropical
underground
underwater
very
water
waterfall
wetsuit
winter