英文關鍵字
agriculture
background
begin
born
burn
burned
cancel
concept
conflagration
dead
destroy
destroyer
drought
earth
ecology
economics
environment
estate
farm
field
fire
forest
from
garbage
ground
industrial
infection
jungle
kill
land
left
manage
motion
natural
nature
occupation
plantation
process
rebirth
reborn
retract
rubber
scourge
smoke
spread
supervise
terminate
tractor
trees
treespreparing
unhealthy
white
working
workmanship