英文關鍵字
teacher
student
learning
motivation
chubby
female
reading
book
exhausted
tired
lazy
napping
workplace
study
frustration
boring
class
coach
education
overweight
distracted
sleepy
fatigue
caucasian
people
person
adult
woman
obesity
lesson
training
unhappy
private
routine
tuition
unproductive
school
college
exam
knowledge
university
overload
preparing
indoors