英文關鍵字
air
balloon
bang
boy
burn
burning
burst
child
coat
discovery
effect
experience
experiment
experimental
explode
explore
explosion
eyeglasses
fast
fire
heat
holding
hot
impact
laboratory
latex
lighter
look
loud
male
man
motion
people
physics
pop
research
researching
science
scientist
speed
study
temperature
two
work
worker