英文關鍵字
bottle
city
construction
consumerism
container
contamination
crime
danger
decline
destruction
dirty
dump
environment
factory
fishes
floating
garbage
global
green
health
industrial
industry
lake
landscape
messy
natural
nature
old
plant
plastic
poisonous
pollute
polluted
pollution
pond
recycling
refuse
rejection
risk
rubbish
sea
sky
tourism
tourist
trash
waste
water
wood
work
world