英文關鍵字
asian
bad
beautiful
boy
brain
cell
child
china
class
concept
creates
cute
depression
education
emotional
emotions
expression
failure
fatigue
frustrated
gadget
hand
headache
home
homework
kid
laptop
male
notebook
people
primary
research
room
sad
sadness
school
sitting
stress
student
technology
tired
unhappy
upset
wireless
work
young