英文關鍵字
dust
waves
wave
atom
beam
disaster
explosion
galaxy
hole
particle
planet
ray
ripple
smoke
storm
swirl
astronomy
aura
blast
blur
burst
catastrophe
climate
connection
corona
cosmos
curled
curve
cyberspace
cyclone
damage
dangerous
desert
destroy
destruction
effect
electronic
ethernet
explode
exploration
fast
fire
flame
flow
flying
frequency
future
beat