英文關鍵字
student
teacher
portrait
face
woman
closeup
teaching
teach
concept
pretty
youth
girl
knowledge
day
cheerful
successful
smiling
thinking
tech
happy
learning
female
study
academic
caucasian
class
school
educational
learn
think
studying
education
lesson
coach
clever
university
tutor
smile
learner
young
chalkboard
educated
college