英文關鍵字
caucasian
cheat
childhood
class
classmates
covid19
cute
desk
displeased
education
elementary
emotion
exam
funny
girl
grade
hands
happy
indoor
indoors
kids
learning
lesson
lonely
mask
pandemic
paper
preteen
primary
pupil
pupils
sad
sadness
school
schoolboys
schoolchildren
schoolkids
task
teacher
teenagers
teens
together
upset
using
writing