英文關鍵字
14
15
16
17
30s
african
american
answering
asking
black
boy
caucasian
chemistry
class
classroom
college
education
explaining
female
front
girl
group
hand
high
learning
lesson
lockdown
male
man
men
motion
multicultural
old
people
person
pupil
question
raised
school
science
slow
student
studying
teacher
teaches
teaching
teen
teenage
teenager
thirties
together
tutor
up
view
waist
whiteboard
years