英文關鍵字
usa
transportation
rush
street
routine
student
traffic
vehicle
regular
kindergarten
children
district
schoolchildren
road
suburban
daily
public
education
town
standard
residential
elementary
safety
community
cars
arrive
service
drive
everyday
ride
route
roadway
pupils
moving
american
school
trip
yellow
bus
leaving
kids
morning
classical
neighborhood
schedule