英文關鍵字
aqua
boiling
bottom
clean
clear
cold
continuity
cool
crystal
current
drink
drinkable
drip
drop
environment
environmental
erupting
eruption
flow
flowing
font
fountain
fresh
groundwater
healing
jet
natural
nature
outdoor
park
plenty
pure
refreshing
rural
sand
source
splash
spring
springhead
stone
stream
surface
transparent
underground
water