英文關鍵字
blur
clean
color
creek
environment
exposure
flow
forest
fresh
freshwater
green
harmony
life
little
log
long
motion
mountain
natural
nature
peace
people
plant
pollution
pure
purity
rainforest
rapid
refresh
river
running
rush
serene
smooth
splash
spring
stream
summer
the
through
tranquil
travel
tree
vivid
water
wild
woodland