英文關鍵字
acceleration
anthill
asphalt
bus
bystanders
cars
caution
city
courtesy
crossroads
daily
extreme
flow
forward
frequently
highway
home
journey
life
lively
lot
man
markings
metropolis
offense
overtaking
pedestrians
people
quick
race
road
rush
signs
speed
stop
street
taxi
thoroughfare
tracks
traffic
trams
transfer
transport
travel
trolley
truck
tube
turning
van
woman