英文關鍵字
animation
background
black
blackboard
board
chalk
chalkboard
class
classroom
college
course
desk
draw
drawing
drawn
education
educational
espanol
font
hand
handwriting
handwritten
knowledge
language
learn
learning
lesson
letter
message
motion
note
school
schoolroom
sign
sketch
spanish
speak
stop
studies
study
studying
symbol
table
teach
teaching
text
type
university
white
wooden
word
write
writing
written