英文關鍵字
learn
english
blackboard
lettering
translation
language
learning
icon
set
education
concept
used
topics
like
communication
studying
e-learning
home
text
school
chalkboard
write
word
apple
black
book
british
chalk
class
coaching
college
drawing
drawn
educate
hand
handwriting
handwritten
headphones
inscription
lesson
letter
line
note
outline
page
pencil
pictogram
plane
sign
sketch
study
table
teaching
training
university
white