英文關鍵字
asleep
book
bored
casual
caucasian
college
desk
education
exam
examination
exhausted
exhaustion
fall
fell
hard
homework
indoors
jaded
knowledge
laptop
learning
lesson
library
lying
male
man
notebook
one
overwork
physically
pile
preparation
preparing
school
sitting
sleep
sprawl
stress
student
study
studying
table
teen
teenager
textbook
tired
university
young
youth