英文關鍵字
autumn
backpack
boy
building
call
caucasian
cell
cellphone
chat
cheerfully
child
childhood
children
city
communicates
communication
confident
connection
conversation
creative
cute
device
education
electronics
fall
focus
gadget
happy
his
intelligent
kid
learning
lesson
lifestyle
mobile
old
parents
people
phone
pupil
school
schoolbag
schoolboy
schoolyard
selective
small
smartphone
social
speak
street
student
study
sun
talk
talking
technology
teenage
telephone
while
years