英文關鍵字
250fps
beach
bottle
chemical
contaminated
contamination
danger
dangerous
dead
death
degradation
dirt
dirty
disaster
dump
dumping
ecological
ecology
ecosystem
empty
environment
garbage
global
green
harmful
industrial
lake
marine
motion
nature
objects
outdoors
plastic
pollute
polluted
pollution
recycle
river
rubbish
sea
slow
smell
surface
toxic
trash
view
warming
waste
water
wave