英文關鍵字
background
bark
bio
cut
deforestation
destruction
disaster
environment
environmental
firewood
folded
forest
fuel
hardwood
industry
large
many
material
natural
nature
nobody
outdoors
pile
piled
pine
plant
production
raw
renewable
resource
sawmill
sawn
several
storage
timber
trees
trunks
white
wild
wood
woodland