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