英文關鍵字
coins
gas
burner
price
pay
scattering
glowing
fall
lie
blue
stove
flame
kitchen
money
increase
save
natural
cash
heating
finance
resources
dangerous
method
crisis
savings
room
economy
propane
combustion
burn
burning
temperature
warm
generation
energy
cost
power
expensive
heat
exploding
lit
flammable
light
energetic
hot
risk
gasoline