英文關鍵字
abstract
beach
boils
bottom
brook
can
cascade
clear
creek
fall
falls
flow
flowing
gold
gurgles
lake
landscape
light
liquid
moss
motion
mountain
natural
nature
ocean
park
pattern
reflection
relax
ripple
ripples
river
rock
rocks
sand
sandy
sea
see
spring
springtime
stone
stream
summer
sun
texture
travel
underwater
vibration
water
waterfall
waves
weed
yellow