英文關鍵字
background
boiling
clear
cold
creek
cyan
emerald
environment
fast
flow
flowing
foam
fresh
light
motion
natural
nature
nobody
outdoor
over
rapid
river
rock
sound
speed
spring
stone
stream
summer
tranquil
transparent
water
英文關鍵字
background
boiling
clear
cold
creek
cyan
emerald
environment
fast
flow
flowing
foam
fresh
light
motion
natural
nature
nobody
outdoor
over
rapid
river
rock
sound
speed
spring
stone
stream
summer
tranquil
transparent
water