英文關鍵字
academic
blackboard
board
boy
busy
career
caucasian
chalk
chalkboard
child
childhood
children
class
classroom
clever
college
creative
develop
discovery
distance
draw
drawing
educate
education
elementary
formula
glasses
hand
happy
home
homework
kid
learn
learning
lesson
little
motion
painstakingly
primary
question
reading
school
schoolboy
schooling
scientist
september
slow
student
studying
teacher
work
write
writes