英文關鍵字
area
areas
bark
beautiful
change
clear
clearcut
conservation
countryside
cut
damage
deforestation
destruction
eco
ecology
forest
foresters
green
ground
growing
growth
landscape
logging
lumber
man
natural
nature
new
old
people
pine
plant
planting
plot
pollution
pristine
protection
real
season
seed
shovel
slash
soil
source
spring
stacked
stump
tree
trees
trunk
view
warming
wood
wooden