英文關鍵字
aqua
aquatic
audio
babble
basin
brook
brooklet
calm
cascade
cataract
cleanness
climber
cold
creek
creeper
drain
drinkable
dripple
ecology
environment
falls
flood
flora
flow
flowing
force
forest
green
lichen
moist
moss
mountains
natural
pond
pool
purity
purl
river
rivulet
sound
stereo
stone
stream
streamlet
tiny
tranquil
trickle
water
waterfall
wet