英文關鍵字
abstract
alternative
background
bark
brown
cut
dry
end
energy
environment
firewood
forest
forestry
fuel
grass
heap
landscape
logs
lumber
material
natural
nature
pile
piled
precipice
provide
river
round
rural
rustic
sawn
shape
siberia
size
split
spruce
stack
stacked
summer
sunny
taiga
texture
timber
tree
trunk
valley
wall
wood
wooden
woodpile