英文關鍵字
are
art
black
blackboard
board
books
chalk
chalkboard
class
coaching
college
concept
course
draw
drawing
drawn
earth
educate
education
english
globe
hand
illustration
learn
learning
lecture
lesson
lettering
library
line
map
rotate
rotating
school
schoolbook
science
sketch
spin
studies
study
studying
table
teach
teaching
text
training
university
word
world
write
writing