英文關鍵字
aquatic
blue
brown
climate
current
damage
danger
dark
destruction
dirt
dirty
disaster
earth
ecology
environment
flood
heavy
hurricane
industrial
industry
junk
lake
motion
mountain
moving
mud
muddy
nature
overflow
pollution
rain
rapid
river
season
speed
spring
storm
stream
summer
toxic
trash
tropical
typhoon
waste
water
waterfall
wave
weather
wild
yellow