英文關鍵字
adolescence
arms
attentively
beautiful
book
caucasian
closeup
college
concentration
concept
degree
desk
development
education
erudite
exam
female
finger
focus
girl
hand
homework
information
learning
lecture
literate
notes
one
only
pen
pencil
person
read
reading
school
schoolgirl
smart
student
studies
study
studying
table
teaching
teenage
textbook
university
workbook
writing
young