英文關鍵字
animal
canal
coast
coastline
contaminated
danger
dangerous
dead
death
decay
disposal
ecological
ecology
ecosystem
environment
environmental
epidemic
fish
fisher
float
garbage
harmful
humans
irresponsible
kill
killers
lake
litter
mess
motion
murder
murderer
nature
ocean
polluted
pollution
problem
rotten
salmon
sand
sea
seacoast
shipwreck
shore
slow
slowmo
slowmotion
stink
wildlife