英文關鍵字
lane
transportation
moving
driving
getting
route
classic
road
traffic
commuting
yellow
above
bus
usa
safety
line
kid
town
suburb
child
neighbourhood
cars
america
morning
top
students
view
routine
street
standard
children
daily
vehicle
kindergarten
depart
everyday
regular
education
elementary
schedule
aerial
schoolchildren
public
school