英文關鍵字
blue
electric
glow
light
motion
effect
animation
thunder
particles
loops
nature
curve
footage
fuel
flight
farm
environment
electricity
wave
pattern
graphic
shiny
element
slow
smoke
neon
star
burst
fog
natural
phenomenon
blur
gradient
shape
ripple
moving
vibrant
swirling
technology
graphics
loop
dust
energy
fall
flash
shining
flare
flow
particle
bright
background