英文關鍵字
agriculture
background
bark
brown
cut
deforestation
energy
environment
environmental
felled
felling
firewood
forest
forestry
fuel
green
heap
industry
log
logging
lumber
material
natural
nature
nobody
old
outdoor
pattern
pile
pine
plant
raw
ring
rough
round
rural
saw
section
stack
stacked
stock
stump
texture
timber
tree
trees
trunk
wood
wooden
woodpile