英文關鍵字
area
autumn
background
beautiful
beauty
billet
bonfire
brown
camp
cut
deforestation
down
environment
fall
felled
fire
firewood
flora
folded
forest
forestry
fossil
fresh
fuel
fuels
green
industry
landscape
log
lumber
material
natural
nature
open
pile
pine
raw
resource
rings
rural
sawdust
sawn
stump
summer
timber
tree
trees
trunk
wood
wooden