英文關鍵字
algae
aqua
background
beauty
bloom
bog
botany
clean
cover
detail
duckweed
ecology
environment
float
flora
flow
forest
fountain
fresh
grass
green
growth
habitat
lake
landscape
leaf
light
marsh
moving
natural
nature
plant
pond
pure
rill
river
seaweed
source
spring
stone
stream
summer
tranquil
transparent
under
underwater
water
weed
wet
wildlife