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