英文關鍵字
standing
ready
traffic
students
children
suburb
person
town
service
community
vehicle
safety
gathering
leaving
ride
suburban
unidentifiable
street
arrive
schoolchildren
public
roadway
routine
cars
education
depart
schedule
school
america
road
usa
drive
morning
waiting
schoolchild
transportation
kids
bus
elementary
kindergarten
neighborhood
unrecognizable
stop
pupils