英文關鍵字
background
black
blackboard
board
calligraphy
chalk
chalkboard
coaching
college
concept
course
desk
draw
drawing
educate
education
english
europe
european
font
greenboard
hand
handwriting
handwritten
knowledge
learn
learning
lecture
lesson
letter
lettering
nobody
portugal
school
sketch
studies
study
studying
table
teach
teaching
text
training
understand
university
white
word
write
writing