英文關鍵字
arbor
aspen
axe
backdrop
background
balk
bark
billet
biomass
birch
block
blue
board
boards
brown
building
burn
butcher
chop
cut
energy
firewood
forest
forestry
industrial
industry
log
logging
lumber
material
natural
nature
outdoors
pile
pine
resource
rural
sawmaterial
stack
stacked
stock
texture
timber
tree
trunk
wood
wooden
yard