英文關鍵字
amber
annual
bar
bark
bio
bonfire
branch
broken
campfire
chain
chopped
cut
ecology
energy
fireplace
firewood
flame
forest
forrest
fuel
grass
green
ground
heap
lie
log
logging
lumber
material
natural
outdoor
pile
piled
pruning
round
sawn
shoot
small
split
stack
stacked
timber
tree
trunk
warm
wood
wooden
woodpile
young