英文關鍵字
blackboard
teacher
education
poster
school
drawing
national
art
happy
text
design
background
day
greeting
learn
letter
lettering
student
typography
cognition
drawn
abstract
child
gift
banner
board
card
celebration
concept
decoration
holiday
vector
appreciation
calligraphy
chalk
graphic
label
vignetting
isolated
creative
hand
book
brush
chalkboard
class
classroom
colourful
congratulation
creation