英文關鍵字
answer
attention
boy
candid
caucasian
child
childhood
class
classroom
clever
close
closeup
cognition
concentration
diligent
education
elementary
exam
examination
exercise
gifted
grade
hand
intelligent
israel
israeli
kid
knowledge
learning
lesson
little
male
notebook
paper
pen
primary
pupil
school
serious
sitting
solve
student
study
teen
teenager
test
thinking
thoughtful
write
young