英文關鍵字
30s
50s
adul
adult
assignments
book
books
caucasian
college
desk
education
female
folders
information
knowledge
learning
library
male
man
mature
mid
paper
pen
people
reading
sitting
student
study
studying
textbook
two
university
woman
英文關鍵字
30s
50s
adul
adult
assignments
book
books
caucasian
college
desk
education
female
folders
information
knowledge
learning
library
male
man
mature
mid
paper
pen
people
reading
sitting
student
study
studying
textbook
two
university
woman