英文關鍵字
learn
learning
french
language
text
school
chalkboard
greenboard
education
write
word
apple
green
blackboard
book
chalk
class
coaching
college
course
drawing
drawn
educate
hand
handwriting
handwritten
headphones
icon
illustration
inscription
lesson
letter
lettering
line
note
outline
page
pencil
pictogram
plane
set
sign
sketch
study
studying
table
teaching
training
university
white