英文關鍵字
answer
attentive
brunette
call
card
caucasian
childhood
children
class
classroom
computer
count
dark
digit
distance
education
girl
hair
home
hometask
homework
internet
junior
knowledge
laptop
learn
lesson
math
mathematics
maths
number
online
plait
preschool
primary
problem
room
school
schoolchildren
schoolgirl
show
smart
solve
stationery
student
study
subject
sum
supplies
table
train
video