英文關鍵字
acceleration
barricade
barrier
beams
blur
bridge
fast
fence
going
impetus
momentum
motion
movement
moving
pace
passing
posts
quick
quickness
railing
railings
rapid
rate
spans
speed
speediness
speeding
tempo
travelling
velocity
wooden
英文關鍵字
acceleration
barricade
barrier
beams
blur
bridge
fast
fence
going
impetus
momentum
motion
movement
moving
pace
passing
posts
quick
quickness
railing
railings
rapid
rate
spans
speed
speediness
speeding
tempo
travelling
velocity
wooden