英文關鍵字
background
backyard
branch
broom
cleaning
crease
crumbled
dirt
dirty
dump
ecology
environment
equipment
falling
floor
flower
garbage
garden
gardening
ground
home
house
household
housework
land
leaf
lumber
material
moss
object
park
petal
plant
pollen
pollution
recycle
resident
rock
rough
rubbish
ruffled
scrap
scratch
stone
sweep
sweeping
texture
trash
waste
white
wooden
wrinkle