英文關鍵字
saucepan
fire
money
coin
russian
lights
burner
gas
stove
russia
fuel
flame
heat
hot
kitchen
energy
burn
cooking
cooker
power
cook
light
butane
danger
flammable
glow
propane
methane
fossil
home
temperature
safety
warm
circle
burning
dangerous
device
ecology
economic
ruble
europe
currency