英文關鍵字
active
actively
apprentice
boy
caucasian
child
childhood
children
class
classmates
classroom
community
desk
education
elementary
exam
examination
exercise
female
friendship
generation
girl
group
hands
happy
indoors
kid
kids
knowledge
learn
learning
lesson
novice
old
participating
pen
person
portrait
primary
pupil
school
schoolkid
student
studying
teacher
test
time
together
word
youth