英文關鍵字
animated
animation
background
black
blackboard
board
chalk
chalkboard
class
classroom
coaching
college
course
desk
draw
drawing
drawn
educate
education
english
font
green
greenboard
hand
handwriting
handwritten
knowledge
learn
learning
lecture
lesson
letter
motion
part
school
sketch
stop
study
studying
success
table
teach
teaching
text
training
tutorial
tutorials
university
wood
word
write
writing