英文關鍵字
boy
casual
caucasian
class
classroom
clothing
coding
collaborating
collaboration
college
computer
education
female
girl
group
helping
high
learning
lesson
lockdown
male
man
medium
men
motion
old
people
person
pupil
school
secondary
shot
slow
stem
student
studying
teacher
teaching
teen
teenage
teenager
three
together
tutor
working
years