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