英文關鍵字
background
brown
catastrophe
caucasus
climate
contaminate
contamination
creek
current
danger
deluge
dirty
disaster
ecological
ecology
environment
fast
ferocious
floating
flood
flooding
flow
flowing
flux
georgia
melting
mountain
muddy
mudflow
natural
nature
overflowing
powerful
precipitation
raging
rapid
river
rushing
spillway
stormy
stream
torrent
turbid
water
waves