英文關鍵字
background
bark
brown
building
circle
crust
cut
damage
day
deforestation
destruction
disaster
ecology
energy
environment
environmental
firewood
forest
forestry
global
heap
industry
landscape
log
lumber
matchwood
material
natural
nature
old
pattern
pine
plant
recycling
rough
sawdust
scenery
section
stack
stacked
store
stump
summer
texture
timber
tree
trunk
wood
wooden
yellow