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