英文關鍵字
adult
caucasian
class
classmate
classroom
college
education
female
friends
girl
girls
indoors
knowledge
learning
lecture
lesson
notebook
notepad
people
person
prepare
pupil
school
sitting
student
studying
teenager
university
women
young
英文關鍵字
adult
caucasian
class
classmate
classroom
college
education
female
friends
girl
girls
indoors
knowledge
learning
lecture
lesson
notebook
notepad
people
person
prepare
pupil
school
sitting
student
studying
teenager
university
women
young