英文關鍵字
school
closed
distance
learning
education
blackboard
chalk
write
home
schooling
self
study
studying
quarantine
board
text
lettering
greenboard
chalkboard
college
green
teaching
class
epidemic
classroom
drawn
break
illustration
pandemic
holidays
out
end
word
vacations
leisure
finish
written
note
graduation
graduate
hand
drawing
handwriting
writing
handwritten
message