英文關鍵字
abstract
agriculture
ash
black
blue
burning
bush
cloud
controlled
crop
danger
destruction
disaster
dry
field
fire
flame
fog
grass
green
heat
industry
land
loss
meadow
natural
nature
non
orange
pasture
plains
prairie
ranch
red
risk
rural
scene
sky
smog
smoke
sparks
steppe
summer
tree
uncultivated
urban
weed
yellow