英文關鍵字
alone
backpack
bag
beautiful
break
cheerful
childhood
children
classmate
college
colorful
concept
diligent
education
educational
elementary
female
girl
green
kid
knowledge
learn
learning
leaving
lecture
lifestyle
one
outdoor
outdoors
people
preteen
private
pupil
returning
school
schoolgirl
sidewalk
stroll
student
study
studying
teen
teenage
teenager
tired
urban
walk
walking
young