英文關鍵字
adult
axe
blade
chainsaw
cut
deforestation
down
ecology
environment
equipment
felling
firewood
forest
forester
forestry
gear
green
hand
helmet
industry
job
log
logger
lumber
lumberjack
lumberman
man
measure
natural
nature
outdoors
people
person
pine
plant
power
protection
ruler
saw
sawdust
spruce
timber
tool
tree
trunk
wood
woodcutter
wooden
work
worker