英文關鍵字
agricultural
archival
biodegradable
bulldozer
business
campaign
cereals
cleaning
cleanliness
contemporary
damage
day
dirt
dump
environment
environmental
exterior
filth
fish
for
garbage
household
industrial
industry
junk
landfill
lapse
lighting
machinery
medium
mountain
natural
orderlies
packing
paper
pink
plant
planting
poison
pollute
pollution
processing
profile
push
real
red
refuse
rekindle
salmon
seafood
smell
solid
sowing
stink
summer
sunny
time
tractor
trash
trout
truck
urban
vacuum
waste
wheat
work
yuck