英文關鍵字
book
boy
cheerful
child
class
clever
confidence
connection
cute
desk
development
distance
education
elearning
elementary
emotion
enjoyment
fun
happy
home
homework
indoor
internet
joy
kid
laptop
laugh
learn
lesson
nerd
online
pen
pencil
portrait
room
school
schoolboy
sitting
smile
student
study
teenager
watch
workbook
writing
young