英文關鍵字
abstraction
ash
barbarian
black
bonfire
bright
burn
burned
burning
burnt
camp
campfire
camping
charcoal
cloudy
coal
conservation
danger
dark
darkness
ecology
energy
extinct
fiery
fire
fireplace
firewood
flame
gray
grill
heat
hot
hunter
jack
life
light
log
nature
night
operation
red
rises
smoke
trees
video
warm
white
wild
wood