英文關鍵字
class
2021
graduate
graduation
congratulation
graduates
covid19
lockdown
congrats
blackboard
text
chalk
chalkboard
lettering
college
education
school
university
celebrate
celebration
study
black
board
classroom
drawing
drawn
learning
letter
message
table
write
distance
homeschooling
remote
covid
19
coronavirus
homeschool
studying
quarantine
corona
virus
greenboard
green
epidemic
pandemic
closed
lock
yellow
ribbon