英文關鍵字
spring
flood
raised
water
level
river
broke
protective
dam
has
found
weak
spot
flows
out
bed
flooding
surrounding
nature
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
dirty
current
source
swim
pond
storm
blurred
bay
problem
lake
shore