英文關鍵字
alcohol
blaze
blazing
blowing
burn
burning
burns
carbon
chemical
chemistry
combustion
darkness
dioxide
discover
dry
dust
educational
end
experiment
fiery
fire
flame
flames
flammable
flare
formation
fuel
ground
heat
heating
ignite
learning
lit
match
material
pharaoh
pill
power
presentation
reaction
real
result
safety
school
slow
smoke
smokey
smoking
spirit
tablet
test
time
weak