英文關鍵字
flood
raised
water
level
river
broke
through
protective
dam
autumn
fills
holes
ravines
dry
fallen
leaves
grass
remains
seen
under
flow
forest
stream
breakthrough
protection
drain
suburb
spillway
damage
discharge
wet
excess
flowing
leaking
overflowing
waste
runoff
turbulent
drainage
pressure
road
ecology
pollution
springtime
toxic
motion
sewage
fluid
depth
destruction
fast
tributary
channel
nature
dirty
current
source
swim
pond
storm
blurred
bay
problem
lake
shore