英文關鍵字
leaving
american
education
school
neighborhood
residential
usa
trip
youth
public
service
boarding
road
group
yellow
above
schoolchild
view
kid
routine
ride
kindergarten
district
elementary
street
getting
transportation
traffic
waiting
unidentifiable
depart
top
child
roadway
drive
route
vehicle
pupil
aerial
bus
person
unrecognizable
stop
student
safety
morning
childhood