英文關鍵字
autumn
condensation
dirty
disaster
flood
growth
loud
mist
motion
muddy
natural
nature
oscillation
phenomenon
power
quiet
rainwater
rapid
river
soap
speed
spray
stone
stones
storm
sud
surf
swirl
wall
water
waterfall
wave
waving
英文關鍵字
autumn
condensation
dirty
disaster
flood
growth
loud
mist
motion
muddy
natural
nature
oscillation
phenomenon
power
quiet
rainwater
rapid
river
soap
speed
spray
stone
stones
storm
sud
surf
swirl
wall
water
waterfall
wave
waving