英文關鍵字
accidents
body
canal
change
climate
close
conservation
creek
current
damage
damaging
danger
dangerous
dirt
dirty
disaster
disasters
drain
ecosystem
environmental
extreme
falling
fast
flood
flooding
flow
flowing
foam
footage
furious
global
heavy
insurance
melting
natural
nature
overflow
power
raging
rain
rains
rapid
rapids
raw
river
rushing
shore
snow
speed
spill
splashing
storm
stream
summer
warming
water
wave
weather
wet