英文關鍵字
congratulations
graduate
graduation
congrats
graduates
class
2021
world
blackboard
learning
text
chalk
chalkboard
lettering
college
education
school
university
celebration
study
black
board
classroom
draw
hand
drawing
learn
studies
teaching
word
write
writing
earth
books
schoolbook
globe
coaching
course
educate
studying
teach
library
map
geography
rotate
turning
illustration
science
letter
drawn